Madonna, Jennifer Aniston, Demi Moore and Cindy Crawford swear by the Zone Diet, not South Beach or Atkins Diet. The celebrities say they're experiencing enhanced health after they entered the Zone. What is the Zone Diet, and why are these famous stars so happy with it?

The Biggest Loser Season 8 is in week 2 and many viewers are changing the channel. Trainers Jillian Michaels and Bob Harper are supposed to be tough on the contestants in their quest to lose weight. This season, the trainers have turned to foul and abusive language to "inspire" the contestants on The Biggest Loser to meet their challenges.

The Biggest Loser Season 8 started last night with some of the biggest contestants the show has ever cast, including the largest contestant ever, weighing in at 476 pounds. One of the 16 contestants was rushed to the hospital on the very first show, including contestant Tracey being airlifted off of the beach after her very first workout. Bob and Jillian were relentless as usual with their motivation techniques and it looks like this is going to be another emotional season on The Biggest Loser.

Prevention versus treatment? Cost versus efficacy? So go two of the dilemmas looming over Dartmouth's Paul E. Palumbo, M.D., and his fellow researchers in the race to fight HIV and other infectious diseases in the developing world — especially among women and their young children.

A difference in brain activity patterns may explain why some people are able to maintain a significant weight loss while others regain the weight, according to a new study by researchers with The Miriam Hospital.

Three drug companies are racing to get approval from the US Food and Drug Administration to sell the next weight loss pill. Vivus, Orexigen and Arena are all trying to finalize studies and data to be able to submit their request for approval of their new weight loss medication. It appears that Vivus is ahead in the race to submit their new weight loss drug for approval.

The main suggestion in the report release on Tuesday by the independent Institute of Medicine and National Research Council called "Local Government Actions to Prevent Childhood Obesity" is to impose a junk food tax to help fight childhood obesity. An increasing problem in the US, childhood obesity has tripled in the past three decades. Many blame the lifestyles and eating habits as the main reason for this increase.

The Centers for Disease Control (CDC) recommends we get 30 minutes of moderate to intense exercise 5 days a week. Most of us do not even workout 30 minutes 3 days a week. With today's schedules it seems the only exercises we do is with our fingers on the keyboard. If you are stuck at your desk all day at work there are some simple exercises you can do through out the day they will help you burn calories and make you feel better too.

The Food and Drug Administration is investigating the reports a potential side effect of Alli is liver damage. The only FDA approved over-the-counter weight loss drug, Alli and its prescription formula, Xenical has been the subject of an FDA investigation due claims the drug in Alli and Xanical, Orlistat is the cause of liver damage in over 30 cases through out the world.

While not new in the world of summer camps for kids to spend their summer vacation at, fat camps such as the one featured in the MTV show “Fat Camp”, Camp Pocono Trails in Pennsylvania is a fun option for many of today’s kids. Some of these camps have been around for 30 and 40 years and offer most of the fun traditional activities that one would think of for a summer camp for kids, but with a focus on proper diet, exercises and weight loss.

Meal replacements in a medically supervised weight loss program are successful in facilitating weight loss, according to a new study conducted at the University of Kentucky. The study appears in the August 2009 issue of the Journal of the American Dietetic Association.