
U.S. health officials are again urging people to stop vaping until experts figure out why some are coming down with serious respiratory illnesses.Richard Vogel/APhide caption

Dr. Peter Grinspoon was a practicing physician when he became addicted to opioids. When he got caught, Grinspoon wasn't allowed access to what's now the standard treatment for addiction — buprenorphine or methadone (in addition to counseling) — precisely because he was a doctor. /Tony Luong for NPRhide caption
President Trump speaks to the press with first lady Melania Trump and Acting Food and Drug Administration Commissioner Norman Sharpless (left) and Health and Human Services Secretary Alex Azar in the Oval Office at the White House on Wednesday. Nicholas Kamm/AFP/Getty Images hide caption
These human embryo-like structures (top) were synthesized from human stem cells; they've been stained to illustrate different cell types. Images (bottom) of the "embryoids" in the new device that was invented to make them. Yi Zheng/University of Michigan, Ann Arbor hide caption
The rate of uninsured children has risen in the last two years, after declining since 2008. FS Productions/Getty Images hide caption
The EPA says it aims to eliminate the testing of chemicals and pesticides in animals by 2035. filo/Getty Images hide caption
Millions of homes built before 1978 still contain lead-based paint. A report published Monday finds the Environmental Protection Agency is not adequately enforcing laws meant to protect children from lead-laden paint flakes and dust. Stew Milne/AP hide caption
Dr. Sarfraz Khan, chief medical officer at Meridian Health Services in Indiana, connects with patients over the internet. Yuki Noguchi/NPR hide caption
Researchers surveyed people about their happy childhood memories and found that those who had more were much less likely to experience depression later in life. IvanJekic/Getty Images hide caption
Unlike Planned Parenthood which pulled out of Title X family planning funding, many clinics still take the funding and must comply with new rules on discussing abortion. Doctors worry it will affect their relationships with patients. SDI Productions/Getty Images hide caption
Joe Bay (center), coach of a New York City "Bootcamp for New Dads," instructs Adewale Oshodi (left) and George Pasco in how to cradle an infant for best soothing. Jason LeCras for NPR hide caption
Supporters of safe injection sites in Philadelphia rallied outside this week's federal hearing. The judge's ultimate ruling will determine if the proposed "Safehouse" facility to prevent deaths from opioid overdose would violate the federal Controlled Substances Act. Kimberly Paynter/WHYY hide caption
U.S. health officials are again urging people to stop vaping until experts figure out why some are coming down with serious respiratory illnesses. Richard Vogel/AP hide caption
Dr. Peter Grinspoon was a practicing physician when he became addicted to opioids. When he got caught, Grinspoon wasn't allowed access to what's now the standard treatment for addiction — buprenorphine or methadone (in addition to counseling) — precisely because he was a doctor. /Tony Luong for NPR hide caption
UK Biobank has granted 10,000 qualified scientists access to its large database of genetic sequences and other medical data, but other organizations with databases have been far more restrictive in giving access. KTSDESIGN/Getty Images/Science Photo Library hide caption
The New York State Department of Health said Thursday that it is looking at vitamin E acetate as a potential cause of severe pulmonary illness cases in the state that have been associated with vaping. Daniel Becerril/Reuters hide caption
Groupon and other deal sites are the latest marketing tactic in medicine, offering bargain prices for services such as CT scans. Colin Cuthbert/Science Photo Libra/Getty Images hide caption
Utility trucks move in Monday as the outer bands of Hurricane Dorian approach in Charleston, S.C. Residents in Charleston and many other coastal areas are under an evacuation order. Vural Elibol/Anadolu Agency via Getty Images hide caption
Abortion opponents in Sacramento, Calif., protest legislation that would require public university campuses in California to provide the pills used in medication abortion. April Dembosky/KQED hide caption
Bags of heroin, some laced with fentanyl, picked up in a 2016 New York City drug bust. "Basically, [fentanyl] is so cheap to produce and it's so powerful, that drug dealers began realizing it was a way to increase their profits," Fentanyl, Inc. author Ben Westhoff says. But miscalculations of the amount used can be deadly. Drew Angerer/Getty Images hide caption