Colleen O'Connor PhD RD


American Heart Association Healthy Diet Guidelines

The American Heart Association (AHA) publishes dietary and lifestyle recommendations for general heart health. 1 These recommendations are for healthy adults and children older than age 2 as well as people who already have health problems such as coronary artery disease, diabetes, metabolic syndrome, or heart failure…

Diabetes: Counting Carbs if You Use Insulin

Teaches counting carbs to help you maintain control of your blood sugar level when you have diabetes. Explains why carb counting is important, allowing you to adjust the amount of insulin you take. Includes links to more info on type 1 and type 2 diabetes.

High Cholesterol: How a Dietitian Can Help

Millions of people struggle to lose weight and improve their diets. Finding a diet that works for you and then staying with it can be a huge challenge. Registered dietitians are experts in diet and nutrition, particularly for promoting general health and treating conditions such as high cholesterol. A dietitian can…

Sugar Alcohols

What are sugar alcohols? Sugar alcohols are a type of sweetener used in foods labeled “sugar-free.” You’ll find them in chewing gum, sugar-free candies, cookies, soft drinks, and other foods. Sugar alcohols have about one-half to one-third fewer calories than sugar. For example, if a food label doesn’t list sugar as an…

Glycemic Index

Glycemic index refers to a food’s ability to raise blood sugar to a particular level within a given period of time. Glycemic index applies only to carbohydrate foods because they are the foods that most affect blood sugar levels. Some starchy foods have a high glycemic index. These foods may cause high blood sugar…