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National Body Challenge 2008: What Is A Calorie?

Related Article: Learn more about fitness.

Dr. Peeke asks people, "Just what is a calorie?"

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Restricting Food Urges (1:48)

Watch this video about urges to eat on HowStuffWorks. Rats have a mechanism in their brains that tells them not to eat something that isn't vital to their health at that moment. Learn about the differences between human urges and some animal urges... More »

Dr. Know: Carrots and Eyesight (0:40)

Dr. Know debunks the myth that eating carrots will improve your vision. Learn more about vitamin A in this video from Discovery.

Trans Fats Explained (10:00)

Watch this video about trans fats on HowStuffWorks. Health Politics, a popular health care news and information Web site and leader in the fast-growing world of online TV programming, has launched two short videos to help consumers understand what... More »

Sugary Foods and Tooth Decay (0:59)

Watch this video about sugary foods on HowStuffWorks. Increased sugar in your diet leads to increased chances of tooth decay. Learn the facts regarding sugary foods and oral health in this video from the American Dental Association.

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MyPyramid: Simple Steps to Healthy Living (13:12)

Individuals can determine how much of certain foods they should eat, and which foods are better than others, by using the U.S Department of Agriculture's "MyPyramid" diet guidelines. This program provides instructions for using the guidelines.

High Cholesterol: Conclusion (1:19)

Controlling cholesterol levels can make a difference in overall health.

High Cholesterol: Medications to Lower Cholesterol (0:43)

Some patients may require medications to control cholesterol levels.

High Cholesterol: Changing Habits (1:17)

Successfully maintaining a healthful diet and lifestyle choices involves daily commitment and support.

High Cholesterol: Lose Weight with Exercise (1:58)

Regular physical activity promotes weight loss and improves cholesterol levels. Take a look at this clip to learn more about exercise.

High Cholesterol: Substitutions for a Healthy Diet (1:15)

Choosing low-fat alternatives to high fat foods promotes healthful eating.

High Cholesterol: Understanding Food Labels (2:14)

Shoppers who read nutrition fact labels are able to make educated food choices.

High Cholesterol: Modifications in Food Preparation (1:47)

Strategies for lowering cholesterol include using butter substitutes and low-fat condiments.

High Cholesterol: Changing Your Diet (7:25)

Increasing physical activity and adopting healthful eating habits are two ways to improve cholesterol levels and overall health.

High Cholesterol: The Correct Level (2:04)

Appropriate cholesterol levels vary depending on risk factors including weight, diabetes and history of heart disease.