Do those performance bracelets do anything?

Scientifically, not really. Placebo effect, you betcha! Check it out here or download the pdf here.

Low intensity vs. High Intensity: Which is better for the heart?

Better a sprint than a marathon: Brief intense exercise better than endurance training for preventing cardiovascular disease

sleep less, eat more....a lot more!

This is pretty amazing...I know we are sleep deprived, but this demonstrates how sleep is intricately tied to obesity.