Pulitzer Prize-winning biographer Jon Meacham on the evolution of Abraham Lincoln's moral principles and political leadership -- and what the era of Lincoln can teach us about the state of our democracy today.
More than half of all Americans report that they take multi-vitamins and other dietary supplements. Vitamin deficiency is still a serious health problem for millions of people here and around the world. But new research indicates many Americans may be ingesting high amounts vitamins through a combination of pills and fortified beverages. And earlier this month, major retailers pulled some supplements off store shelves after tests indicated pills did not contain what was on the label. New concerns about dietary supplements.
- Catherine Price Science and health writer. Her articles have appeared in the New York Times, Popular Science, Slate and The Best American Science Writing.
- Duffy MacKay Senior vice president of scientific and regulatory affairs for the Council for Responsible Nutrition.
- Dr. David Kessler Former commissioner of the Food and Drug Administration and author of "The End of Overeating." He is now a professor at University of California, San Francisco.
Poll: How Do You Use Vitamins And Supplement?
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From Vitamania: Our Obsessive Quest for Nutritional Perfection by Catherine Price. Reprinted by arrangement with Penguin Press, a member of Penguin Group (USA) LLC, A Penguin Random House Company. Copyright © Catherine Price, 2015.
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