While there is increased awareness and availability of AEDs, none of that matters if the lifesaving device can't be accessed within two to three minutes.
As the US mulls over its future Covid-19 vaccination plan, data from three large health care systems indicate that even though a small percentage of people under age 65 have gotten the new Covid-19 booster, people this age are not becoming severely ill and overwhelming hospitals.
Consuming fewer calories is associated with a wealth of health benefits for some people. A new study says a longer life can be added to those benefits, but critics say we don't yet have accurate measurements to prove the claim.
SpaceX just attempted to ignite all 33 engines in a test fire of its gargantuan Super Heavy rocket booster. The trial marks the company's first "static fire" test for what is expected to be the most powerful launch vehicle ever built.
Jessica Watkins is a self-described "rock nerd" with a doctorate in geology. So when she boarded her first mission to space as a member of NASA's astronaut corps, she brought along photos of family and friends — and some rocks.
Plans are moving forward at the US Department of Health and Human Services to prepare for the end of the nation's Covid-19 public health emergency declaration in May.
The Florida High School Athletic Association has faced months of criticism since proposing the change in policy, which would require athletes to report their menstruation history yearly.
Covid-19 shots are included in new schedules of routinely recommended vaccines released by the US Centers for Disease Control and Prevention on Thursday. The immunization schedules summarize current vaccine recommendations for children, adolescents and adults, but do not set vaccine requirements for schools or workplaces.
Recent telescope data revealed that a small planet in the far reaches of our solar system has a dense ring round it. And scientists are baffled as to why.
Scientists know that air pollution can make it difficult to breathe and may ultimately cause serious health problems like cancer, but a new study shows that it might also have a negative impact on teens' blood pressure.
In early 2020, as they tried to fight covid-19 across two rural counties in North Carolina, the staff of Granville Vance Public Health was stymied, relying on outdated technology to track a fast-moving pandemic.
If you test negative for Covid-19 but still have symptoms that appear to be Covid-related, CNN medical analyst Dr. Leana Wen explains what your symptoms could mean and what you should do next.
Less than half of infants globally are breastfed as recommended, and baby formula is in high demand despite failing to offer the same health and developmental benefits as breast milk, experts say. According to a new report, misleading claims and political influence are to blame.