Health

By John Bonifield, CNN Moderna announced interim results of its Covid-19 vaccine for children younger than 6 on Wednesday. The company said two 25-microgram doses of its Covid-19 vaccine for children ages 6 months through 5 years old provided a similar immune response to two 100-microgram doses for adults ages 18 to 25, indicating that

By Brenda Goodman, CNN After weeks in free fall, new Covid-19 cases are starting to level off in the US, as the BA.2 subvariant continues its ascent. BA.2 caused about 35% of cases in the US last week, up from 22% the week before, according to new estimates from the United States Centers for Disease

By Deblina Chakraborty, CNN A subvariant of Omicron, BA.2, is leading to a new wave of Covid-19 infections across Europe. Cases in the United Kingdom, Germany, the Netherlands and other countries are going up, driven by this very contagious coronavirus strain. The proportion of Covid-19 cases due to BA.2 is rising in the United States,

By Tasnim Ahmed, CNN In 2010, doctors told Ben Sobieck, now 37, that his kidneys were inexplicably failing. Shortly after, he had a kidney transplant and started on the lifelong medications that weaken his immune system to keep his body from rejecting the donor organ. They never figured out what caused Sobieck’s kidney failure. But

By Madeline Holcombe, CNN There is more we can do to make our kids feel seen, accepted and secure — and it starts with adding more terms for gender identity and sexual orientation to the official forms we give them, according to a new study. Researchers in Minnesota analyzed data from students across the state

By Tasnim Ahmed, CNN The number of deaths in the US involving alcohol jumped 25.5% between 2019 and 2020, the first year of the Covid-19 pandemic, according to research published Friday in the Journal of the American Medical Association. This is a sharp incline from prior years; the average annual percent increase in deaths involving

By Sandee LaMotte, CNN Some people with pain, anxiety or depression who obtain medical marijuana cards may overuse marijuana within a short time frame, leading to cannabis use disorder while failing to improve their symptoms, a new study found. Cannabis use disorder, also known as marijuana use disorder, is associated with dependence on the use

By Brenda Goodman, CNN Under experimental conditions, the Omicron variant of the coronavirus survives at least twice as long on surfaces like plastic, paper and skin than the original strain that emerged from Wuhan, China, which may help explain how this variant has become so contagious, two recent studies show. There’s no need to start

By Katherine Dillinger, CNN Moderna announced Thursday that it’s asked the US Food and Drug Administration for authorization for a second Covid-19 booster shot for everyone 18 and older. Moderna is seeking an amendment of the FDA’s emergency use authorization for its Covid-19 vaccine to allow a fourth vaccine dose for any adults who’ve gotten

By Brenda Goodman and Deidre McPhillips, CNN With a new version of the Omicron coronavirus variant picking up steam in the United States, as many as 28 million seniors remain at risk of becoming severely ill from Covid-19, either because they are unvaccinated or partially vaccinated, or because it has been more than five months

By Deidre McPhillips, CNN Annual drug overdose deaths have reached another record high in the United States as deaths from fentanyl and other synthetic opioids surge to unprecedented levels. An estimated 105,752 people died of drug overdoses in the 12-month period ending October 2021, according to provisional data published Wednesday by the US Centers for

By Kristen Rogers, CNN If you’re not familiar with the term “mild cognitive impairment,” you’re not the only one. More than 80% of Americans aren’t familiar with this condition that affects up to 18% of people ages 60 and older and can lead to Alzheimer’s disease, a new survey has found. Mild cognitive impairment is

By Amanda Sealy, Carma Hassan and Jamie Gumbrecht, CNN Pfizer and BioNTech submitted an application to the US Food and Drug Administration for emergency use authorization of an additional booster dose of their Covid-19 vaccine for adults 65 and older who have gotten a booster dose of any of the authorized or approved vaccine, the

By Sandee LaMotte, CNN Sleeping for only one night with a dim light, such as a TV set with the sound off, raised the blood sugar and heart rate of healthy young people participating in a sleep lab experiment, a new study found. The dim light entered the eyelids and disrupted sleep despite the fact

By Jen Christensen and Holly Yan, CNN To help fend off another wave of Covid-19, people will need a fourth dose of vaccine, Pfizer CEO Albert Bourla told CBS on Sunday. “Many variants are coming, and Omicron was the first one that was able to evade — in a skillful way — the immune protection

By Jen Christensen, CNN Things seem to be looking up as the US crosses into year three of the Covid-19 pandemic. Vaccines still do a good job of keeping people alive and out of the hospital. There’s increasing access to tests and treatments. The numbers of cases, hospitalizations and deaths are heading in the right