Tuesday, May 16, 2017
The struggle to maintain a healthy weight is a lifelong challenge for many of us. In fact, the average American packs on an extra 30 pounds from early adulthood to age 50. What’s responsible for this tendency toward middle-age spread? For most of us, too many calories and too little exercise definitely play a role. But now comes word that another reason may lie in a strong—and previously unknown—biochemical mechanism related to the normal aging process.
Friday, June 26, 2015
An example of preventive medicine added to the 1951 NIH Clinical Center time capsule was a vial of synthetic folic acid, a B vitamin. Folic acid had first been isolated in crystalline form in 1943, but in 1951, Dr. James Hundley wrote that the “exact chemical form in which folic acid exists as a functional unit in metabolism is still in doubt."