Health

By Maggie Fox, CNN Scientists investigating the origins of the coronavirus pandemic might be working with the wrong samples, because some early samples of the virus submitted by a Chinese researcher were deleted from a shared database, an expert in the evolution of viruses says. Jesse Bloom, a researcher at the Fred Hutchinson Cancer Center

By Kristen Rogers, CNN Cannabis use has been associated with a higher likelihood of thinking about suicide in young adults, according to a study from the US National Institutes of Health published Tuesday in the journal JAMA Network Open. The survey study examined data from more than 281,000 adults ages 18 to 34, who participated

By Jacqueline Howard, CNN Vaccine makers are preparing for a next possible phase of the Covid-19 vaccine rollout: booster doses. Currently three coronavirus vaccines are authorized for emergency use in the United States — the two-dose Pfizer/BioNTech vaccine for people 12 and older, the two-dose Moderna vaccine and the single-dose Johnson & Johnson vaccines for

By Deidre McPhillips, CNN Covid-19 deaths have fallen dramatically across the United States — average daily deaths are less than a tenth of what they were at the peak of the pandemic, according to data from Johns Hopkins University — but nearly 300 people are still dying of Covid-19 each day in the US. Some

By Dana Santas, CNN In the first article of our series, we established why breathing is your superpower, impacting virtually all aspects of your health and wellness. In this second installment, we take a closer look at how breathing can improve your posture, enhance your mobility, and relieve common aches and pains. I also share

By Michael Nedelman and Nadia Kounang, CNN A coronavirus variant first spotted in India is poised to become the dominant one in the United States, where infectious disease modelers say it could cause a “resurgence” of Covid-19 later this year. And it may already account for 1 in every 5 infections nationwide, experts say. The

By Lisa Selin Davis, CNN When my oldest child turned 11, I figured it was time to talk birds and bees and bodily changes, and purchased a couple of books that friends had recommended. When I tried to read the books with her, or get her to read them herself, or otherwise talk about puberty,

By Shannon Carpenter, CNN When people ask me why I am a stay-at-home dad, I’ve usually been pretty busy. One time I was wiping dried formula off my shirt. Another time I was chasing a potty-training toddler into the wrong bathroom, and I remember another time when I was helping at the school carnival. Thirteen

By John Blake, CNN They never ran out of things to talk about. It was obvious from the start. He was a brawny former Maine lobsterman with a booming baritone. She was a redhead with freckles from Wisconsin who worked in corporate recruiting. They talked about everything from sci-fi movies and her love for the

Jessica Lauser lost much of her eyesight shortly after she was born. She was teased in school until she found chess. Here’s her advice to those facing challenges.

By Matt Villano, CNN Jessica Lauser is relentless on the chess board. She plays quickly, applying constant pressure on her opponents. She attacks constantly, not unlike the Beth Harmon character from the Netflix television series, “The Queen’s Gambit.” She baits her opponents out of their comfort zones, then leverages the element of surprise. Her success

By Aya Elamroussi, CNN As President Joe Biden celebrated America’s 300 million vaccine dose milestone Friday, experts warned that the spread of coronavirus variants could spur a surge in troubling new cases if more people don’t get inoculated. Overall, Covid-19 cases, hospitalizations and deaths in the US have declined significantly in recent months. But virus

By David G. Allan, CNN Welcome to the start of summer! Now slow down. You don’t want to miss anything by hurrying past it. And there is no need to sweat even more, unless you’re also having fun while doing it. That’s the wisdom of summer. It teaches us to be fully awake, engaged and

By Sandee LaMotte, CNN Older adults who have significant difficulty falling asleep and who experience frequent night awakenings are at high risk for developing dementia or dying early from any cause, a new study finds. “These results contribute to existing knowledge that sleep plays a very important role, each and every night, for reducing our

Amy Chillag, CNN Lakiea Bailey has tried to hide the pain and breathlessness she feels from her disease for most of her life. As a child, she missed weeks out of every school year because of sickle cell — a painful, genetic disease that’s believed to impact 100,000 Americans. Patients’ red blood cells are “sickle”

By Travis Caldwell, CNN The country continued this week on a path to reopening from the Covid-19 pandemic, with major population centers such as New York and California pulling back on restrictions following increased vaccinations and lowered infections. Yet with overall vaccination rates in the US slowing this month when compared to highs in April,

By Deidre McPhillips, CNN As newly reported Covid-19 cases in the United States drop to some of the lowest levels of the pandemic, the link between vaccinations and transmission is getting clearer, exposing pockets of at-risk populations, but also a safer path forward. A CNN analysis found that states that have fully vaccinated more than

By Maggie Fox, CNN Pen Farthing was on a flight from Kabul, Afghanistan, to Houston when the news broke: The US Centers for Disease Control and Prevention was going to stop missions like his for at least the next year. Farthing was bringing two dogs rescued by US troops in Afghanistan to their new homes

By Lauren Mascarenhas, CNN As pediatricians vaccinate newly eligible children and teens against Covid-19, some of them say they are giving just as many shots to adults. When the Biden administration kicked off a “month of action” this June, aimed at vaccinating 70% of the adult population with at least one Covid-19 vaccine dose by

By Maggie Fox, CNN Researchers have found more evidence that coronavirus was circulating at low levels across the United States as early as December 2019 — weeks before the first officially reported cases. Frozen blood samples indicate people in five states — Illinois, Wisconsin, Pennsylvania, Mississippi and Massachusetts — were infected with coronavirus days or

By Elissa Strauss, CNN The Mommy Wars — the alleged battle between working moms and stay-at-home moms — rests on a number of fictions. One is the myth that working moms neglect their children. In fact, many of today’s working moms spend more time with their children than moms from previous generations who didn’t work

By Jacqueline Howard, CNN A third dose of coronavirus vaccine could help boost antibody levels among some organ transplant recipients who have not had robust responses to the standard vaccination schedules, a new study suggests. Among patients in the study who had no measurable antibodies after receiving two doses of vaccine, one-third of them saw