From Washington - The prevalence of obesity in the US is nearly twice that of European countries, with over 30% of Americans having the condition. The high rate of obesity is believed to cost the US over $100 billion as it contributes to cancer, diabetes, and cardiovascular disease. From Wisconsin - A new test may make colonoscopy ...

From Boston - While cutting calories by 30 to 40% has been shown to increase longevity, Harvard researchers may have now found the reason why. Studying the livers of mice who had fasted for a few days, the researchers noted the activation of 2 genes, SIRT3 and SIRT4. These genes influence the mitochondria to become more efficient. The research ...

Part 1 Part 2 Part 3 3 vids. A groundbreaking heart failure study headed by Washington Hospital Center's Director of Cardiology, Leslie W. Miller, MD, and published in the New England Journal of Medicine on August 30, 2007, gives new hope to those in advanced stages of heart failure. The study followed 133 heart failure patients ...

Inventor Robert Fischell details three new medical devices; a transcranial magnetic stimulator to treat migraines, an early detection system for heart attacks, and a 'neuropacemaker' to treat epilectic seizures. From the 2005 TED conference.