Hoodia Gordonii attracted great interest after a "60 Minutes" report in November of 2004 stating that it might be effective as a natural appetite suppressant. It has been used by tribes in southern Africa to suppress their appetites on long hunting trips into the Kalahari Desert. Is there any scientific data to support the use of Hoodia for weight loss?

In my years of clinical practice, I've had countless people walk through my door loaded down with heavy bags full or pills and supplements. Some of these supplements are expensive, and all of them promise tremendous health benefits. Problem is, most of them are a waste of money.

No, that's not a typo! A number of doctors and diet experts agree: excessive climate control can make it harder for people to manage their waistlines. The basic idea is a fairly simple one. Every body has an internal, automatic mechanism that helps keep our body temperature relatively stable. This comes in handy when it's blistering hot outside or as cold as an icebox—no minor point for our shivering, sweating ancestors.