CNN – 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 Jacqueline Howard and Jamie Gumbrecht, CNN There’s a likely association between the mRNA Covid-19 vaccines and rare cases of heart inflammation in adolescents and young adults, but the benefits of vaccination still clearly outweigh the risks, vaccine advisers to the US Centers for Disease Control and Prevention heard during a virtual meeting on Wednesday.

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

Vaccine makers are preparing for a next possible phase of the Covid-19 vaccine rollout: booster doses. CNN’s Dr. Sanjay Gupta reports on these booster studies.

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

Dana Santas, a breathing, mobility, and mind-body coach in professional sports, explains how breathing can impact the way you feel and demonstrates the proper way to breathe

By Mallika Kallingal, CNN Lauren Nichols’ battle with Covid-19 began early in the pandemic, when resources were scarce and experts debated whether the US would have to ration care. It was a burden she felt personally as she worried about what a trip to the doctor could mean for someone else. “The guilt came on

By Madeline Holcombe, CNN The dangerous Delta variant poses a risk to the United States as the country works to ease out of the Covid-19 pandemic, but experts say the nation has the tools needed to overcome the threat — if the public takes advantage of them. “Covid-19 vaccines are available for everyone ages 12

By Jacqueline Howard, CNN The number of births in the United States fell by 4% last year, much of it likely due to the pandemic, according to a new report from the US Centers for Disease Control and Prevention. It’s “the largest annual decline in the number of births since 1973,” CDC researchers wrote in

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 Lisa Selin Davis, CNN The attacks on kids who identify as transgender keep coming. Arkansas in early April became the first state to ban gender-affirming care including puberty blockers and cross-sex hormones, for children under 18. West Virginia signed a bill into law that prohibits transgender girls and women from participating in girls’ and

By Sandee LaMotte, CNN For as long as he can remember, Brad Johnson knew he was different. “I’ve never been normal when it came to sleep,” Brad told CNN. “Other people, even some of my siblings, slept eight, nine, 10 hours a night. I just couldn’t do it, it was physically impossible. If you paid

By Madeline Holcombe and Theresa Waldrop, CNN The Delta coronavirus variant, which is highly transmissible and possibly more dangerous than current predominant variants, now makes up more than 20% of all samples sequenced in the United States after the percentage doubled in a recent two-week period, Dr. Anthony Fauci said. The country seems to be

By Sandee LaMotte, CNN Drinking up to three or four cups of caffeinated or decaffeinated coffee a day reduces your risk of developing and dying from chronic liver diseases, a new study found. Coffee drinkers were 21% less likely to develop chronic liver disease, 20% less likely to develop chronic or fatty liver disease, and