As the Olympics begin tonight, think about the fact that the fastest man alive could outsprint a camel. But the camel could pace a man and go 10 miles per hour for 18 hours straight.

Children who fall into the "very obese" category are already suffering from at least one heart disease risk factor such as high cholesterol or hypertension.

If you're obese, your body may be under stress. Carrying all that extra weight can increase your risk of many health problems, including asthma. If you already have asthma, obesity can make it worse.

A balanced diet has many benefits, but replacing fats with carbs may increase risk of dementia.

Wondering how to get a couch potato kid up and running? Switch on the 2012 Summer Olympic Games and encourage them to try something new and exciting.

As a person ages and the metabolism slows down, it can be more difficult to lose weight. Women past menopause can use strategies to shed the extra pounds though.

Working as a police officer is stressful; so stressful, it turns out, that police officers may have a higher risk for a variety of physical and mental health problems.

The hormone insulin plays a key role in diabetes. When the body does not respond to insulin, blood sugar levels can rise, putting a person at risk for type 2 diabetes.