By David L. Katz, MD, Yale University Barack Obama has been elected President of the United States. That may not seem to fall within my purview as a preventive medicine expert and health columnist. But I believe it does. Because hope is where the vitality Read More...

By William J. Smith , MS, MEPD, CSCS Why decreasing your exercise activity could be the worst possible choice at times of stress. Participation in gym-based fitness programming has skyrocketed in the last decade. Pilates, yoga, spinning, tai chi, and Read More...

Research reported in Science, the magazine of AAAS Biofuels reduce greenhouse-gas emissions in comparison to fossil fuels. In the Jan. 4 issue of the journal Science, Smithsonian researchers highlight a new study that factors in environmental costs of Read More...