Many people try cannabis for back pain. Now new studies from Europe show it may be an effective option. Tinnakorn Jorruang/iStockphoto/Getty Images hide caption

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It's been hard for parents to get their kids COVID-19 shots recently, as well as for many healthy adults, since the CDC hasn't weighed in with official guidelines for administering them. Joseph Prezioso/AFP/Getty Images hide caption
The CDC still hasn’t issued COVID vaccine guidelines, leaving access in limbo
Last Monday, President Trump said Tylenol is linked to autism. He was joined by health officials — from left: Dr. Jay Bhattacharya, director of the National Institutes of Health, Dr. Marty Makary, Food and Drug Administration commissioner, Health and Human Services Secretary Robert F. Kennedy Jr., and Dr. Mehmet Oz, administrator of the Centers for Medicare & Medicaid Services. Francis Chung/Politico/Bloomberg/Getty Images hide caption
Is taking acetaminophen during pregnancy really associated with autism in children?
Lynn Milam says that a nerve-stimulating implant has dramatically improved her rheumatoid arthritis, allowing her and her husband, Donald, to regain the life they once enjoyed together. Lynn Milam hide caption
People are turning to Chatbots like Claude to get help interpreting their lab test results. Smith Collection/Gado/Archive Photos/Getty Images hide caption
Medication abortion with the two-drug regime of mifepristone and misoprostol is the most common form of abortion in the U.S. Natalie Behring/Getty Images hide caption
A new study finds that a single dose of LSD can ease generalized anxiety disorder, or GAD, a disabling form of anxiety that affects about 1 in 10 people over the course of a year. mikkelwilliam/iStockphoto/Getty Images hide caption
A new study finds that the brain does not appear to significantly rewire its map of the body after an amputation. Westend61/Getty Images hide caption
A new study challenges what we know about how amputation alters the human brain
Postdoctoral researcher Erin Kunz holds up a microelectrode array that can be placed on the brain's surface as part of a brain-computer interface. Jim Gensheimer hide caption
Brain implants that decode a person’s inner voice may threaten privacy
Advances in gene-editing are leading to renewed interest in modifying DNA in human embryos. VICTOR HABBICK VISIONS/Science Photo Library/Getty Images hide caption
The quest to create genetically modified babies is getting a reboot
Head coach Deion Sanders of the University of Colorado speaks about his journey beating bladder cancer during a press conference. AAron Ontiveroz/MediaNews Group/Getty Images hide caption
Scientists are working to develop an artificial blood that can be available for medics to use in an emergency when regular blood is not available. Eli Meir Kaplan for NPR hide caption
Sonya Sotinsky sits at Crane Cove Park in San Francisco on March 25. Sotinsky was diagnosed with Stage 4 tongue cancer and underwent surgery to remove her tongue, larynx and other structures. She then worked with researchers to create an AI-generated voice using past recordings of her speech. Beth LaBerge/KQED hide caption
Mitochondria, like the one seen in cutaway view, are the powerhouses inside cells. ARTUR PLAWGO/Getty Images/Science Photo Library hide caption
How a third parent’s DNA can prevent an inherited disease
Earlier this year, the Food and Drug Administration approved the first new kind of painkiller in 20 years. It's considered an alternative to opioids. But it's expensive, and not everyone has access to it yet. Vertex Pharmaceuticals hide caption
Phillipa Munari suffered nerve pain and exhaustion after she stopped taking antidepressants. She struggled to train her horse, Bella, and "could barely walk because of the withdrawal," said Munari. "I spent 20 hours in bed most days for two years." Daniel St Louis for NPR hide caption
Health and Human Services Secretary Robert F. Kennedy Jr. (R) and Food and Drug Administration (FDA) Commissioner Martin Makary at the White House in May, when Kennedy released a Make America Healthy Again Commission report that blamed the rise in chronic illnesses on ultraprocessed foods, chemical exposures, lifestyle factors and excessive use of prescription drugs. Kevin Dietsch/Getty Images hide caption
Ancient miasma theory may explain Health Secretary Robert F. Kennedy Jr.’s strategy
Hundreds of NIH scientists protested cuts to the research agency in a declaration addressed to NIH Director Jay Bhattacharya. Alex Wong/Getty Images hide caption
NIH scientists call on director to protect biomedical research
Paula Baille leads the group of Sharon Hannamaker, Joe Edwards, Barb Edwards, and Murray Small in a playing of the bells. Aimee Dilger/WVIA News hide caption
Memory cafes offer camaraderie and fun for people with dementia — and their caregivers
Joe Walsh, who has Alzheimer's disease, is accompanied by his wife, Karen Walsh, to an appointment at Brigham and Women's Hospital in Boston. Joe is receiving an experimental therapy to treat Alzheimer's. Jodi Hilton/for NPR hide caption
A blood test called a PSA can help screen men for prostate cancer but it can also lead to unnecessary treatment. miodrag ignjatovic/E+/Getty Images hide caption
Some patients experience pain or discomfort with the insertion of an IUD for contraception. New guidelines urge doctors to offer pain treatment. mariakraynovasrb/500px Plus/Getty Images hide caption
KJ Muldoon, who was born at Children's Hospital of Philadelphia in August, reaches out to doctors after being treated for a rare genetic disorder using CRISPR technology. Chloe Dawson/Children's Hospital of Philadelphia hide caption