vitamin D
Mutagens and Multivitamins
Mutagens and Multivitamins
Megan Scudellari | Jun 1, 2014
Not one to shy away from controversy, Bruce Ames has pitted himself against industry groups, environmentalists, and his peers through his work identifying DNA mutagens. And he’s not done yet.
Contributors
The Scientist Staff | Oct 1, 2012
Meet some of the people featured in the October 2012 issue of The Scientist.
Suspected Effects of Vitamin D
Suspected Effects of Vitamin D
Amy Maxmen | Mar 1, 2012
Vitamin D has a variety of actions in the body. It binds to the vitamin D receptor (VDR), which then binds to the retinoid X receptor (RXR) and activates the expression of numerous genes. 
Tricky Trials
Mary Beth Aberlin | Mar 1, 2012
Studies on safety, efficacy, or dosing of drugs in children, or on nutritional supplements, are not run-of-the-mill.
Vitamin D on Trial
Amy Maxmen | Mar 1, 2012
Prevention trials for vitamins and supplements are notoriously difficult, but some researchers aren’t giving up on finding proof that vitamin D helps ward off disease.
Inside the mind of Fritz Kahn
Cristina Luiggi | Feb 1, 2011
For more than 40 years, German gynecologist and legendary science writer Fritz Kahn (1888-1968) captured the imagination of an international audience with hundreds of wildly inventive illustrations and more than a dozen popular science books. 
Light Therapy, circa 1939
Cristina Luiggi | Feb 1, 2011
Around the turn of the 20th century—before sunscreens hit the market and the damaging effects of UV radiation were widely appreciated—physicians saw the sun mostly as a source of healing.