From New York - While over 62 million CT scans are done yearly in the US, there is some concern that the volume of studies being done, coupled with the radiation dose from the scans, may increase the risk of cancer. Researchers estimate that CT scanning accounts for 0.4% of cancers. However, given the dramatic rise in the use of CT scans, ...

Part 4 of the Howard Hughes Medical Institute's 2006 Holiday Lectures on Science series. Dr. Nadia Rosenthal discusses the role stem cells play in aging.

Dr. Laura Dugan, Departments of Medicine & Neurosciences at UCSD, discusses what we have learned about the aging process from lower organisms, and what is known to date about humans and calorie restriction. Targeted dietary approaches such as calorie restriction have the potential to contribute to a longer “health span” and to successful ...

Discussions around nanotechnology in age-related research.

Aubrey de Grey outlines SENS and healthy life extension during his talk at Google. Join the Betterhuman's seat on the MPrize 300