CNN – Health

By Melanie Radzicki McManus, CNN Walking is the most popular aerobic physical activity in the United States, with 111 million people hitting the pavement in 2018 as part of their fitness goals. In addition, walking’s sister activity, hiking, enticed 57.8 million Americans to get out on the trails in 2020, a figure that has increased

By Deidre McPhillips, CNN America’s drug epidemic is the deadliest it has ever been, new federal data suggests. More than 100,000 people died of drug overdoses in the United States during the 12-month period ending April 2021, according to provisional data published Wednesday by the US Centers for Disease Control and Prevention. That’s a new

By Maggie Fox, CNN Scientists have found SARS-CoV-2 spreads like, well, a virus among white-tailed deer and other wild animals in the United States. People are the likely source, but that doesn’t mean the virus can’t evolve among these animals and then spill back into humans, and researchers are worried about what this spread means

By Madeline Holcombe, CNN Hanging on to social media connections that don’t make you feel good? Talk show host Jimmy Kimmel said today is the day to unfriend them. The initiative started in 2010 on Kimmel’s show, where he advised his audience, “post a status update that says, ‘I’m moving this weekend and I need

By Dr. Neha Chaudhary, CNN The holiday season is right around the corner, and for many that means more time spent with family across generations. Before you demand that your children drop their smartphone to talk meaningfully about gratitude at the Thanksgiving dinner table, take a moment to consider what you’re asking. When it comes

By Maggie Fox, CNN Several vials labeled “smallpox” have been found at a vaccine research facility in Pennsylvania, the US Centers for Disease Control and Prevention said Tuesday. “There is no indication that anyone has been exposed to the small number of frozen vials,” the CDC said in a statement emailed to CNN. “The frozen

By Jacqueline Howard, CNN Some states are not waiting. At least five so far — Arkansas, California, Colorado, New Mexico and West Virginia — have expanded eligibility for Covid-19 booster shots to everyone 18 and older, six months after their second dose, even though the US Food and Drug Administration hasn’t done so yet and

By Jacqueline Howard, Elizabeth Cohen and John Bonifield, CNN Key decisions on whether all adults will be eligible for a Covid-19 vaccine booster could come soon. The US Food and Drug Administration is currently considering Pfizer and BioNTech’s request to amend the emergency use authorization for their Covid-19 vaccine so that all adults would be

CNN Editorial Research Here’s a look at the origins, treatments and global response to HIV and AIDS. Facts HIV stands for human immunodeficiency virus. AIDS stands for acquired immunodeficiency syndrome. HIV/AIDS is spread through sexual contact with an infected person, sharing needles with an infected person, through transfusions of infected blood or through an infected

By Amanda Sealy, CNN Pfizer announced Tuesday that it is seeking emergency use authorization from the US Food and Drug Administration for its experimental antiviral Covid-19 pill, known as PF-07321332 or Paxlovid. “With more than 5 million deaths and countless lives impacted by this devastating disease globally, there is an urgent need for life-saving treatment

By Madeline Holcombe, CNN The cup of coffee or tea you reach for in the morning — OK, maybe it’s a few — may be associated with a lower risk for stroke and dementia, according to a new study. Among more than 360,000 participants studied over a period of 10 to 14 years, those who

By Jen Christensen, CNN Katelyn Van Dyke was on winter break in January, visiting her boyfriend’s family, when she got sick with Covid-19. For the 20-year-old computer science major at the University of Missouri, Covid-19 has been anything but a brief or easy illness. Some 10 months later, she says she’s still out of breath

By Jacqueline Howard, CNN Researchers say they have found a second patient whose body seemingly had rid itself of the human immunodeficiency virus (HIV) that causes AIDS — supporting hope that it may be possible someday to find a way to cure more people of the virus. The patient has received no regular treatment for

By Sandee LaMotte, CNN Want to fight off infectious diseases this winter? Consider boosting your immune system with nutritious food. “What we eat is very important in terms of how our immune system responds to pathogens and how well it can defend itself against a pathogen,” said Dr. Simin Meydani, senior scientist and leader of