Laura Rees (left) and her sister Nancy Fee sit with their father, Joseph Fee, while holding a photo of his late wife, Elizabeth. Robert Durell for KHN hide caption

House Speaker Paul Ryan, R-Wisc., speaks to the media during a briefing on Capitol Hill in September. Mark Wilson/Getty Images hide caption

Keely Edgington and her daughter, Lula, pose inside their family-owned restaurant, Julep, in Kansas City, Mo. Lula was diagnosed with a neuroblastoma when she was 9 months old. She's now 16 months old. Alex Smith / KCUR hide caption

Lobbyists seeking to influence the 21st Century Cures Act descended on lawmakers. Susan Walsh/AP hide caption

Comparative psychologist Claudia Fugazza and her dog demonstrate the "Do As I Do" method of exploring canine memory. Mirko Lui/Cell Press hide caption

In 2015, Indiana Gov. Mike Pence announced that the Centers for Medicaid and Medicare Services had approved the state's waiver to try a different approach for Medicaid. Michael Conroy/AP hide caption

Under the Affordable Care Act, insurers are required to cover birth control with no copay. It's unclear what will happen to coverage if the act is repealed or amended. B. Boissonnet/BSIP/Getty Images hide caption

Education may help brains cope with cognitive decline, and treatments for high blood pressure and other health problems may decrease dementia risk. Alfred Pasieka/Science Photo Library/Getty Images hide caption

House Speaker Paul Ryan, R-Wis., discussed a Republican alternative to Obamacare upon its release at the American Enterprise Institute in June. Allison Shelley/Getty Images hide caption

Volunteer Julia Torrano helps Estelle Day, 79, style her hair while she's a patient at UCLA Medical Center. Ina Jaffe/NPR hide caption

When Morton Pollner was diagnosed with lung cancer at age 76, he thought it was a death sentence. Michael Rubenstein for NPR hide caption

Protest signs at the Florida Keys Mosquito Control District board's meeting Saturday in Marathon, Fla. Greg Allen/Greg Allen hide caption

At the Grace Community Health Center in Manchester, Ky., psychologist Joan Nantz meets with patient Ramiro Salazar, who gained Medicaid under the expansion. Phil Galewitz/Kaiser Health News hide caption

Anthony Salemi, of Everett, Mass., holds a photo of his brother Joe, who died from an overdose of fentanyl-laced heroin earlier this year. Jesse Costa/WBUR hide caption

Is marijuana a gateway drug to smoking cigarettes? PhotoAlto/Katarina Sundelin/Getty Images hide caption

When Georgia Moore (second from left) was diagnosed with leukemia in 2010, her parents, Trevor and Courtney Moore, worried about the germs her younger sister, Ivy, would bring home from school. Courtesy of the Moore family/Kaiser Health News hide caption

The skin of the golden poison dart frog, Phyllobates terribilis, secretes a deadly poison that might lead to a better understanding of how to treat malfunctions of the human nervous system. Tambako the Jaguar/Getty Images hide caption