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49ers Texans Football
Houston Texans quarterback Tom Savage (3) is checked by a referee after he was hit during the first half of an NFL football game against the San Francisco 49ers, Sunday, Dec. 10, 2017, in Houston. Savage left the game. (AP Photo/Eric Christian Smith)
A new drug could stall deadly symptoms of rattlesnake bite (Navajo Nation Zoo via AP)
Health Insurance Breaking Point
In this Sunday, Dec. 3, 2017, photo, Stephanie and Lance Schmidt pose for a photo with their children, from left, Stella, Solomon and Theo, at their home in Oklahoma City. The Schmidt's have opted for a cost-sharing ministry this year after they realized their monthly insurance bill would have more than doubled to over $1,200 and stuck them with an $8,000 deductible for their family of five. (AP Photo/Sue Ogrocki)
Needle Exchange
In this Wednesday, Oct. 4, 2017 photo, Denise Brown who is addicted to heroin, pushes a drop of blood out of a syringe to demonstrate how to identify a used needle in Camden, N.J. The closure of the needle exchange in Camden, a struggling New Jersey city across the Delaware River from Philadelphia, and a place where drugs are dealt openly on streets lined with abandoned storefronts and homes, has left many people there without a resource intended to stop the spread of blood-borne illnesses. (AP Photo/Matt Rourke)
Vaccines-Better Protection
FILE - This Jan. 10, 2013 file photo shows vials of flu vaccines in Philadelphia. No vaccine is perfect, and it can take many years to find out how well a new vaccine works and how long it lasts. The annual flu vaccine is a particularly hard one to nail. The virus changes quickly and spreads easily. U.S. health officials make their best guess each spring about the formula for the next flu season. (AP Photo/Matt Rourke, File)
Drug Prices Lawsuit
FILE - In this Friday, July 8, 2016, file photo, a prescription is filled at Pucci's Pharmacy, in Sacramento, Calif. Pharmaceutical companies are suing to block a new California law that would require them to give advance notice for big price increases. The Pharmaceutical Research and Manufacturers of America file suit Friday, Dec. 8, 2017, in federal court in Sacramento. (AP Photo/Rich Pedroncelli, File)
California Marijuana Licenses
FILE - In this Nov. 11, 2017 file photo, one of an assortment of marijuana strains are displayed during the High Times Harvest Cup in San Bernardino, Calif. On Friday, Dec. 8, 2017, California began accepting applications from businesses that want to operate in the state's legal marijuana industry next year, a milestone for the emerging market. (AP Photo/Richard Vogel, File)
Genetic Frontiers Breast Cancer Test
FILE - In this Tuesday, April 28, 2015 file photo, a patient has her blood drawn for a liquid biopsy at a hospital in Philadelphia. A study released on Friday, Dec. 8, 2017 found that a blood test five years after breast cancer treatment helped identify women who were likely to relapse, long before a lump or other signs appeared. (AP Photo/Jacqueline Larma)
Liquid dropped onto cells in petri dishAndrew Brookes / Getty Images/Cultura Exclusive