Pregnancy can involve more risks for women who are obese. As obesity rates rise, so does the number of women seeking bariatric surgery to treat their obesity.

Before kidney transplantation, heavier patients are often told to lose weight to reduce the risk of complications. However, it's still unclear if some obese patients are too heavy to get a kidney transplant at all.

Pregnant women are advised to take prenatal vitamins to ensure they get all the nutrients they need. But their weight may play a role in how many of those nutrients reach their baby.

Weight-loss surgery has been working to combat obesity for years now. But how long does it keep the weight off?

Wearing seat belts and driving safely are two ways to protect yourself from dying in a car accident. Losing weight might be another one.

As childhood obesity has increased, researchers have looked for ways to help children reach healthy weights. Does increasing kids' physical activity make enough of a difference?

As rates of obesity continue to increase, more and more Americans are developing diseases tied to their excess weight. According to a recent study, gout appears to be one of those diseases.

Go ahead and tweet that post to your exercise buddy. It may just help shed unwanted pounds. Twitter usage can help people lose weight through the social networking site by supporting others in their attempts to get leaner.

Being obese is just plain unhealthy. All that excess fat can make outcomes worse for patients with any of a number of diseases, including rheumatoid arthritis.

If you are obese, you are putting extra strain on your joints. That excess weight is known to make osteoarthritis worse. Could obesity also make it harder to treat rheumatoid arthritis?