Dorothy Roberts speaks on the TED stage at TEDMED 2015. Sandy Huffiker /TEDMed hide caption
Jen Brea on the TED Stage at TEDSummit2016 in Canada Ryan Lash/TED hide caption
A woman farmers harvests pearl millet in Andhra Pradesh, India. Millets were once a steady part of Indians' diets until the Green Revolution, which encouraged farmers to grow wheat and rice. Now, the grains are slowly making a comeback. Courtesy of L.Vidyasagar hide caption
While Republicans in Congress are talking about taking their time to change the Affordable Care Act, insurers are already struggling to figure out what to charge for coverage in 2018. Pablo Martinez Monsivais/AP hide caption
About a quarter of people between the ages of 20 and 69 have some hearing loss, typically from everyday noises like lawn mowers and music. vitranc/Getty Images/iStockphoto hide caption
If you owe a tax penalty for not having health coverage in 2016, don't expect an eventual Obamacare appeal to bail you out. Tim Teebken/Getty Images hide caption
Monica Bill Barnes (left) and Anna Bass are offering literally breathtaking tours of the Metropolitan Museum of Art in New York City. Paula Lobo/The Metropolitan Museum of Art hide caption
Interval training includes bursts of high-intensity efforts sandwiched by periods of less activity. Jonathan Cohen/Flickr hide caption
Does 1-Minute Interval Training Work? We Ask The Guy Who Tested It
Tests for mutations in BRCA genes that increase the risk of ovarian and breast cancer can help guide treatment and prevention. Douglas C. Pizac/AP hide caption
The hemoglobin A1C test for blood sugar, a standard assay for diabetes, may not perform as well in people with sickle cell trait, a study finds. fotostorm/Getty Images/iStockphoto hide caption
The A1C Blood Sugar Test May Be Less Accurate In African-Americans
Synthetic fibers from fleece jackets could be ending up in rivers, fields and our diet. emholk/iStockphoto/Getty Images hide caption
Maureen O'Connell leads an insurance talk in St. Paul, Minn., in 2013 to help attendees understand how the federal health law could affect them. Jim Mone/AP hide caption
Heat and steam from your shower or shave can rob medicine of its potency long before the drug's expiration date. Angela Cappetta/Getty Images hide caption
With Congress vowing to repeal the Affordable Care Act, health insurance executives are looking at a very uncertain future. And they don't like uncertainty. Brendan Hoffman/Getty Images hide caption
Health Insurers Say They Don't Want To Go Back To Being The Bad Guys
Escaping artificial light even for a winter weekend can reset sleep patterns for the better, researchers say. One good place to do it: Heliotrope Ridge near Mount Baker in Washington state. Christopher Kimmel/Aurora Open/Getty Images hide caption
Under the old rules, the CDC's authority was primarily limited to detaining travelers entering the U.S. or crossing state lines. With the new rules, the CDC would be able to detain people anywhere in the country, without getting approval from state and local officials. Mark Wilson/Getty Images hide caption
Players who headed a lot of balls — an average of 124 in two weeks — were three times more likely to get a concussion compared to soccer players who rarely headed. Roger Weber/Getty Images hide caption
Meg Ivatti (right), a manager at HealthSource RI, the state's insurance exchange, works with Dianiri Paulino to help a caller sign up for coverage in 2014. Stephan Savoia/AP hide caption