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2,131 entities in this category
Medical Condition
Positron emission tomography (PET) is a test that uses a special type of camera and a tracer (radioactive substance) to look at organs in the body. During the test, the tracer liquid is put into a vein in your arm. The tracer moves through your body, where much of it collects in the specific organ...
Medical Condition
Guides through decision to use selective serotonin reuptake inhibitor (SSRI) medicine for premenstrual syndrome (PMS). Lists home remedies to try for PMS before SSRI. Covers benefits and risks. Includes an interactive tool to help you make your decision.
Medical Condition
Photorefractive keratectomy (PRK) and laser epithelial keratomileusis (LASEK) for farsightedness use a laser to reshape the cornea so that light is refocused on the retina . The laser reshapes the cornea accurately without damaging nearby tissues. No surgical cut is needed. Either procedure may be used to correct...