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Browse our complete A-Z directory of healthcare terms and entities.
Showing 200 entries starting with "D" of type "General"
Top of the page DNA DNA (deoxyribonucleic acid) is the building block of genetic information that is found inside the center (nucleus) of most body cells. DNA determines what features a person inherits from his or her parents, such as blood type, hair color, eye color, and other characteristics. Chromosomes are parts of body cells...
David A. Szalay, MD - Vascular Surgery Dr. David A. Szalay reviews medical content for Healthwise, a nonprofit organization with a mission to help people make better health decisions. Dr. Szalay is an Associate Professor and Program Director for Vascular Surgery in the Department of Surgery at McMaster University in Hamilton, Ontario, Canada. His clinical...
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Compare the pros and cons of having breast reconstruction.
Compare the pros and cons of taking medicine for your high blood pressure.
Most people do not want to have knee replacement surgery because they are scared of the risks and benefits. What are the disadvantages of knee replacement? Some of these risks and benefits involve high blood pressure, diabetes, obesity, a previous knee replacement surgery. This does not mean that they would automatically reject this surgery if...
There is a lot to consider when caring for someone with Alzheimer's, and one of the things that needs to be considered is long-term care. Why is Alzheimer's so difficult on family members? Children need time to adjust and learn how to care for their loved one who has Alzheimer’s. Finances may be strained due...
Who should be screened for lung cancer? If you have a heavy smoking history, have smoked within the last 15 years, and are age 55 and older, your risk for lung cancer is increased. If you meet these criteria, your doctor might recommend a low-dose CT scan to screen for this disease. Screening for lung...
What bones make up the shoulder joint? The shoulder joint is one of the most complex joints in the body. It’s made up of three bones: the collarbone (clavicle), upper arm bone (humerus), and the slender blade-like bone in between them called the scapula, which provides stability to a person’s shoulders. The shoulder joint is...
If you've had a previous C-section, and you are expecting another baby, vaginal birth may be an option for you. It’s called vaginal birth after cesarean (VBAC). That means that your doctor will make an incision in your abdomen to deliver the baby. How do you know if you can have a VBAC? VBAC is...
What is a Preferred Provider Organization (PPO)? A PPO is a type of Managed Care Organization (MCO) offered under the federal Medicare Advantage program in which hospitals, physicians, and other health care providers offer health care at reduced rates to an insurer’s clients. PPOs may either me local (LPPOs) or regional (RPPOs) serving either a...
Sepa cómo evaluar las cosas que le causaron un tropiezo y cómo volver a encaminarse para dejar de fumar.
Conozca algunos de los muchos beneficios para la salud a corto y a largo plazo que tiene dejar de fumar.
Aprenda cómo los medicamentos pueden duplicar o triplicar sus probabilidades de dejar de fumar.
Escuche cómo cuatro personas mantuvieron sus amigos y su sentido de identidad cuando dejaron de fumar.
Aprenda sobre productos y medicamentos que pueden ayudar a controlar las ansias de nicotina.
Facing a health insurance denial in Delaware can feel like navigating the winding roads of the Delmarva Peninsula—complex, but manageable with the right tools. This expanded guide incorporates 2025 legislative updates, Delaware-specific legal strategies, and actionable resources to help you challenge unfair denials and secure the care you deserve. Delaware’s Healthcare Landscape: Challenges & Progress...
A dental extraction (also referred to as exodontia) is the removal of a tooth from the mouth. Extractions are performed for a wide variety of reasons, including tooth decay that has destroyed enough tooth structure to render the tooth non-restorable. Extractions of impacted or problematic wisdom teeth are routinely performed, as are extractions of some...
Dental floss is a bundle of thin filaments used to remove food and dental plaque from teeth. The floss is gently inserted between the teeth and scraped along the teeth sides, especially close to the gums or underneath them. Dental floss may be made of either plastic or silk, and can be flavored or unflavored,...
Dental plaque is a biofilm, usually a pale yellow, that develops naturally on the teeth. Like any biofilm, dental plaque is formed by colonizing bacteria trying to attach themselves to the tooth's smooth surface. It has been speculated that plaque forms part of the defense systems of the host by helping to prevent colonization of...
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Long-term contraceptive injection linked to meningioma tumors
Vea cómo la depresión puede afectar las relaciones interpersonales y por qué es importante el tratamiento.
Aprenda a observar su estado de ánimo para detectar señales de advertencia de que podría estar volviendo a tener depresión.
Depression is a state of low mood and aversion to activity that can have a negative effect on a person's thoughts, behavior, feelings, world view, and physical well-being. Depressed people may feel sad, anxious, empty, hopeless, worried, helpless, worthless, guilty, irritable, hurt, or restless.
Learn why it's important to work with your doctor when stopping depression medicines.
Get some tips on saving money on medicine for depression.
Learn about physical symptoms that may be linked to depression.
See how depression can affect relationships and why treatment matters.
Inicio de la páginaDesarrollo fetal a las 24 semanas de embarazo
Inicio de la páginaDesarrollo fetal a las 32 semanas de embarazo
Averigüe lo que puede esperar y lo que deberá saber para cuidar a su bebé en casa después de abandonar la unidad de cuidados intensivos neonatales (NICU, por sus siglas en inglés).
Aprenda cómo su plan de cuidados personales puede ayudarle a manejar la situación después de un ataque cerebral.
Top of the page Diabetes Diabetes is a condition in which sugar (glucose) remains in the blood rather than entering the body's cells to be used for energy. This results in high blood sugar. Over time, high blood sugar can damage many body systems. Symptoms of diabetes include increased thirst and frequent urination (especially at...
Diabetes is a disease in which the body either does not produce or is unable to use the hormone insulin properly. The pancreas produces insulin, which helps the body use sugar (glucose) from foods. If the pancreas cannot produce enough insulin, or if the body cannot use the insulin properly, blood sugar levels rise and...
Find out how exercise helps you control your blood sugar and feel better in other ways too.
Learn why having diabetes raises your heart disease risk and what you can do about it.
Aquí le damos cinco maneras de ayudar a niños con diabetes a elegir comidas y bebidas saludables.
Descubra cómo apoyar a su hijo adolescente que tiene diabetes.
Here are 5 ways to help kids with diabetes choose healthy foods and drinks.
Help your child with diabetes make smart food and drink choices at school.
The term diabetes mellitus includes several different metabolic disorders that all, if left untreated, result in abnormally high concentrations of a sugar called glucose in the blood. Diabetes mellitus type 1 results when the pancreas no longer produces significant amounts of the hormone insulin, owing to the destruction of the insulin-producing beta cells of the...
Diabetes mellitus, or simply diabetes, is a group of metabolic diseases in which a person has high blood sugar, either because the pancreas does not produce enough insulin, or because cells do not respond to the insulin that is produced. This high blood sugar produces the classical symptoms of polyuria (frequent urination), polydipsia (increased thirst)...
Diabetes mellitus type 1 (also known as type 1 diabetes, or T1DM; formerly insulin dependent diabetes or juvenile diabetes) is a form of diabetes mellitus that results from autoimmune destruction of insulin-producing beta cells of the pancreas. The subsequent lack of insulin leads to increased blood and urine glucose. The classical symptoms are polyuria (frequent urination), polydipsia...
Diabetes mellitus type 2 (formerly noninsulin-dependent diabetes mellitus or adult-onset diabetes) is a metabolic disorder that is characterized by high blood glucose in the context of insulin resistance and relative insulin deficiency. This is in contrast to diabetes mellitus type 1, in which there is an absolute insulin deficiency due to destruction of islet cells in the...
Entienda cómo el ejercicio le ayuda a controlar el nivel de azúcar en la sangre y a sentirse mejor de otras maneras también.
Sepa cómo medirse el azúcar le ayuda a entender el vínculo entre los niveles de azúcar en la sangre y las actividades diarias.
Aprenda por qué es importante revisarse los pies y cómo hacerlo.
Sepa lo que han hecho otras mujeres que tienen diabetes para prepararse para un embarazo.
Sepa cómo prepararse para una operación si tiene diabetes.
Aprenda la mejor manera de revisarse el azúcar en la sangre. Saber cuáles son sus niveles de azúcar en la sangre le ayuda a manejar la diabetes.
Oír cómo otras personas mantienen la motivación para manejar la diabetes.
Aprenda cómo funciona la insulina y por qué la diabetes provoca niveles altos de azúcar en la sangre.
Learn how your body turns carbohydrate foods into blood sugar.</p>Learn how your body turns carbohydrate foods into blood sugar.
Hear how other people stay motivated to manage their diabetes.
Learn how to prepare for surgery when you have diabetes.
Learn how testing blood sugar through the day will help you stay in your target range.
Learn what you can do at home to slow down kidney damage.
Diagnosis is the identification of the nature and cause of anything. Diagnosis is used in many different disciplines with variations in the use of logics, analytics, and experience to determine the cause and effect relationships. In systems engineering and computer science, diagnosis is typically used to determine the causes of symptoms, mitigations for problems and...
Watch the personal story of someone who's living better with dialysis.
Learn what to expect when you have a vascular access procedure for hemodialysis.
Disability Insurance, often called DI or disability income insurance, is a form of insurance that insures the beneficiary's earned income against the risk that a disability creates a barrier for a worker to complete the core functions of their work. For example the inability to focus or maintain composure as with psychological disorders or an...
Schools are tasked with balancing student safety, disciplinary measures, and privacy concerns when handling medical records. While maintaining a safe environment is critical, the improper use of health information can lead to privacy violations and legal consequences. Understanding what schools can and cannot do with medical records in the context of discipline and safety is...
Aprenda sobre cómo cuidarse en el hogar después de que le hayan extirpado los ganglios linfáticos.
Your Definitive Guide to Navigating Denials, Leveraging Protections, and Securing CareIntroductionWhen Malik, a diabetic construction worker in Ward 8, was denied coverage for his insulin pump, his insurer claimed it was "not medically necessary." After filing a complaint with DISB and invoking his external review rights, Malik won—and saved $12,000 annually. Like Malik, 1 in...
Sepa qué esperar cuando le hacen un procedimiento de acceso vascular para la hemodiálisis.
Comprenda qué es la diálisis y cómo le ayuda a sentirse mejor y a vivir más tiempo.
Statins are prescribed to people who have a high risk for heart attack and stroke. They are thought to prevent these conditions by reducing the amount of cholesterol in the blood, but they come with side effects such as muscle pain, weakness, and rashes that may also be reduced by healthy living choices. This article...
Women are more likely to experience dizziness during menopause, possibly due to the aging process and changes in hormone levels. What causes dizziness during menopause? Here are some possible explanations: Hormonal changes Menopause symptoms appear during perimenopause, the transition to menopause. These hormones also play a role in the activity of other organs, including the...
That can depend. Let's see from what. We all know that vaping is not smoking because users don't inhale tobacco like traditional cigarettes, but it produces the same effects. One of these is the release of adrenaline, which happens when we are frightened or in a stressful situation. Adrenaline is known to increase heart rate...
Did your child just start experiencing headaches? They can often be fairly mild or seem to come out of nowhere, but it's important to remember that they're not the same as a migraine headache. It's important to take your child’s symptoms seriously and make sure you find out what causes their headaches. What is the...
Inicio de la páginaDolor abdominalEl dolor abdominal puede sentirse en muchas partes diferentes del abdomen. Si ve a un médico por dolor abdominal, este le hará preguntas para determinar dónde le duele más. La ubicación de su dolor puede ayudar al médico a saber que podría estar causándolo.
Escuche cómo otras personas encontraron la fortaleza y el apoyo para controlar el dolor.
Aprenda a hacer un seguimiento de cómo está controlando su dolor.
Tómese un minuto para aprender acerca del dolor de garganta y lo que puede hacer para sentirse mejor.
Sepa cómo llevar un diario de los dolores de cabeza puede ayudarle a descubrir la causa del dolor.
If you want to save this information but don't think it is safe to take it home, see if a trusted friend can keep it for you. Plan ahead. Know who you can call for help, and memorize the phone number. Be careful online too. Your online activity may be seen by others. Do not...
Donald Sproule, MDCM, CCFP - Family Medicine Dr. Donald Sproule reviews medical content for Healthwise, a nonprofit organization with a mission to help people make better health decisions. Dr. Sproule is an Assistant Professor in the Department of Family Medicine at McGill University in Montreal, Quebec, Canada. Education and Training MD: McGill University, Montreal, QC,...
How does support help during labor and childbirth? Having support while you're in labor and delivering your baby can be a very positive experience. Your support person may be your partner, a loved one, or a friend. You may get support from hospital nurses, a midwife, or a birth coach, also known as a doula....
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Learn how to safely dress your newborn.
How drinking alcohol affects your health? After a few drinks, your inhibitions start to weaken. Your judgment becomes impaired, your coordination suffers and you may engage in risky behaviours. Is There Such a Thing as Safe Drinking? When it comes to drinking and your health, it’s important to know that there is no such thing...
Sepa sus opciones de tratamiento para la drogadicción.
Learn what's happening to your body during drug withdrawal.
Dyspnea, shortness of breath (SOB), or air hunger, is the subjective symptom of breathlessness. It is a normal symptom of heavy exertion but becomes pathological if it occurs in unexpected situations. In 85% of cases it is due to either asthma, pneumonia, cardiac ischemia, interstitial lung disease, congestive heart failure, chronic obstructive pulmonary disease, or...
A study published this month in the American Chemical Society's ACS Omega found that a method of using cannabis known as dabbing may expose users to elevated toxin levels as compared to other methods. As the study noted, the principal product used in dabbing is butane hash oil (BHO), which is extracted from cannabis by...
Dacryocystitis is an infection of the inner edge of the lower eyelid (lacrimal sac). It is usually caused by a blockage in the tear duct. It affects babies and older adults more often than other age groups. Symptoms of dacryocystitis include pain, swelling, redness, tenderness, and increased tearing in the lacrimal sac...
Dr. Dale J. Lange is a male neurology in New York, NY. Dr. Dale graduated from New York Medical College in 1978. He is licensed to practice by the state board in New York.
Dr. Daniel A. Leonard is a male cardiovascular disease (cardiology) in Mount Kisco, NY. Dr. Daniel graduated from Cincinnati College Of Medicine And Surgery in 1981. He is licensed to practice by the state board in New York.
Dr. Daniel Akwasi. Osei is a male orthopedic surgery in New York, NY. Dr. Daniel graduated from University Of Pennsylvania School Of Medicine in 2006. He is licensed to practice by the state board in New York.
Dr. Daniel J. Brodoff is a male diagnostic radiology in Mount Kisco, NY. Dr. Daniel graduated from New York University School Of Medicine in 1986. He is licensed to practice by the state board in New York.
Dr. Daniel P. Harris is a male family medicine in Macedon, NY. Dr. Daniel graduated in 2014. He is licensed to practice by the state board in New York.
Dr. Danielle Feliccia is a male physician assistant in New York, NY. Dr. Danielle graduated in 2016. He is licensed to practice by the state board in New York.
Dr. Daphne A. Scott is a female sports medicine in Stamford, CT. Dr. Daphne graduated from University Of Nevada School Of Medicine in 2010. She is licensed to practice by the state board in New York.
Dr. Darius P. Melisaratos is a female diagnostic radiology in Paramus, NJ. Dr. Darius graduated from Boston University School Of Medicine in 1987. She is licensed to practice by the state board in New York.
DASH is an eating plan that can help lower your blood pressure. DASH stands for Dietary Approaches to Stop Hypertension. 1 Hypertension is high blood pressure. For more information on the DASH diet, see High Blood Pressure: Using the DASH Diet. Here is a sample menu for the DASH diet. It is based on a...
With the increasing reliance on digital storage and transmission of healthcare records, the need for robust data security measures has become paramount. Healthcare organizations are tasked with safeguarding sensitive patient information from potential data breaches, and encryption has emerged as a crucial tool in achieving this. Understanding encryption and its role in securing healthcare records...
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Drugs that have been used in date rapes include flunitrazepam (Rohypnol) and gamma-hydroxybutyrate (GHB). These drugs inhibit a person's ability to resist sexual assault. Gamma-hydroxybutyrate (GHB) Gamma-hydroxybutyrate (GHB) is a central nervous system depressant. GHB is a clear, odorless liquid that looks like water...
Dr. David Ben-Eli is a female emergency medicine in Manhasset, NY. Dr. David graduated in 1992. She is licensed to practice by the state board in New York.
Dr. David Charles. Grimm is a male orthopedic surgery in Canandaigua, NY. Dr. David graduated from University Of Rochester School Of Medicine And Dentistry in 1993. He is licensed to practice by the state board in New York.
Dr. David I. Weiss is a male internal medicine in Bronx, NY. Dr. David graduated from New York Medical College in 1975. He is licensed to practice by the state board in New York.
Dr. David J. Yasgur is a male orthopedic surgery in Katonah, NY. Dr. David graduated from New York University School Of Medicine in 1991. He is licensed to practice by the state board in New York.
Dr. David Lee is a female anesthesiology in New York, NY. Dr. David graduated from Northwestern University Medical School in 1989. She is licensed to practice by the state board in New York.
Dr. David Lefkowitz is a male cardiovascular disease (cardiology) in New York, NY. Dr. David graduated from Cornell University Medical College in 1983. He is licensed to practice by the state board in New York.
Dr. David M. Hong is a male emergency medicine in Bronx, NY. Dr. David graduated from New York Medical College in 1995. He is licensed to practice by the state board in New York.
Stephen Hawking and Jeremy Hunt’s public argument in August over the future of the NHS and use of data led to some hard hitting claims and strong accusations on both sides.12 In the aftermath of the spat the management consultant Stephen Black wrote a provocative piece on the current state of debate about the NHS.3...
As the NHS approaches its busiest time of year, politicians and the media are ramping up their focus on very real winter pressures. Overcrowded emergency departments, ambulances stacked outside, and patients on trolleys in corridors, are sure to make headlines. No laughing matter, but hardly the only significant challenge to the service or to population...
Dr. David T. Ennis is a male internal medicine in Yorktown Heights, NY. Dr. David graduated from New York Medical College in 1983. He is licensed to practice by the state board in New York.
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What is de Quervain's tenosynovitis? De Quervain's (say "duh-kair-VANZ") tenosynovitis, also called De Quervain's, is a problem that makes the bottom of your thumb and the side of your wrist hurt. When you have de Quervain's, the ropey fiber ( tendon ) that helps move your thumb away from your fingers becomes swollen...
Worry and anxiety can develop after a major loss. Anxiety is a general feeling of tenseness or uneasiness. You may feel generally anxious (called free-floating anxiety). Anxiety can cause physical symptoms, such as an upset stomach or a headache. Anxiety can also cause you to act in ways that are unusual for you, such...
Emergencies Review this topic before you need it. Then, when you are faced with an emergency or injury, you will know what to do. Your confidence in dealing with both major and minor emergencies will be reassuring to an injured person. Some of the medical emergencies you may find helpful to review are: Burns. Bleeding...
Headaches are common, a part of life, and absolutely not fun to deal with. They can make a good day bad and if you don’t know how to treat or prevent them, can be a real problem in your daily life. Some may last only a few hours while others can last for even a...
Medicines are a big part of treatment for many health problems. They fight harmful bacteria, relieve pain, and save lives. Medicines have helped cure diseases that used to have no cure. But there is a downside to medicines. Medicines work in a delicate balance with your body and with each other. Sometimes the balance...
From the second you walk into the room, I lay my problems down in front of you. My eyes are fixed upon you, watching your every move. I cringe on the inside as you open your mouth, but I stop you and ask before you answer, please remember one thing. I am first a person,...
In fact, it’s one of the few gun control policies that align both Democrats and Republicans. Although some progressives use mentally ill people to argue for gun control, conservatives often use mentally ill people to take the focus off of gun control. Either way, stigmas about mentally ill people are used for political purposes, despite...
Debbie was raising four children, working 12-hour days, and doing all the cooking and housekeeping. "I was unhappy, crying, and my house was dirty. I'd try to cope by doing just a little bit more," Debbie says. "Needless to say, it unraveled." She healed through months of therapy. "I felt guilty for feeling bad," she...
Dr. Deborah C. Kelly is a female nurse practitioner in Katonah, NY. Dr. Deborah graduated in 1993. She is licensed to practice by the state board in New York.
Dr. Deborah Lisa. Hillman is a female gastroenterology in Mount Kisco, NY. Dr. Deborah graduated from New York University School Of Medicine in 1999. She is licensed to practice by the state board in New York.
Dr. Debra Reich is a male otolaryngology in Yorktown Heights, NY. Dr. Debra graduated from Northwestern University Medical School in 1990. He is licensed to practice by the state board in New York.
Debridement involves removing loose fragments of tendon, thickened bursa, and other debris from around the shoulder joint. By clearing damaged tissue from the region of the shoulder joint, it helps the doctor to see the extent of the injury and determine whether you need more surgery. Debridement may be done in...