Health

By Jacqueline Howard, CNN As schools start classes across the United States, public health experts warn that the politics around masks could hinder the nation’s fight against Covid-19. But the real-life evidence about masks leaves little doubt that they work. In some places where schools have been open for a while now, such as Georgia

By Sandee LaMotte, CNN Do you love to stay up late and then catch up on sleep on the weekend or a day off? If so, you could be committing a social faux pas — when it comes to your sleep that is. Called “social jet lag” by sleep scientists, it’s the delay in your

By Madeline Holcombe and Theresa Waldrop, CNN More children are being hospitalized with Covid-19 as health systems struggle to cope with a surge in new patients and officials race to expand vaccine protection. The seven-day average number of children reported hospitalized with Covid-19 jumped almost 30% to a new peak of 239 in the week

By Jacqueline Howard, CNN The US Centers for Disease Control and Prevention has updated its recommendation for pregnant people to get vaccinated against Covid-19. Previously, the public health agency was vague in its recommendation. “If you are pregnant, you can receive a Covid-19 vaccine,” previous guidance read. Now, the CDC is strengthening its guidance, recommending

By Kristen Rogers, CNN For young children, the pandemic comes at a crucial time for developing skills important for empathy, safety and more — a phase that some parents worry will be impaired by mask-wearing. “There are sensitive periods in early childhood development in which language development and emotional development are really rapidly developing for

By Priya Krishnakumar, CNN More than 98% of US residents now live in an area where there is a “high” or “substantial” risk of Covid-19 community transmission, up from 19% of residents only a month ago. This sharp turn has been driven in large part by the highly infectious Delta variant and low vaccination rates

By Jessica Firger, CNN For his two-dose Pfizer Covid-19 vaccine, Ted Rall crossed state lines back in February and March. Appointments in New York City were impossible to come by, but his friend told him about a federal facility in New Jersey with no residency requirements and so he drove there twice. The Covid-19 shot

By Megan Marples, CNN Stress is an everyday occurrence for most people, but too much of it could be signs of a deeper issue. Stress is “a normal human response to anything physical or emotional that places a strain on the person,” said Dr. Gail Saltz, clinical associate professor of psychiatry at The New York

By Madeline Holcombe, CNN Students heading back to the classroom for the new school year will be contending with one of the most dangerous times in the pandemic for children. And officials will have to consider many measures to keep them safe from Covid-19, an expert said. “We have the more contagious Delta variant, we

By Neelam Bohra and AJ Willingham, CNN Gabe Moses prefers to work his eight-hour shift for a call center while lying on his stomach, resting on a mattress set out on the floor of his apartment. Moses uses a wheelchair because of conditions including dysautonomia, which arises from a dysfunctional nervous system and can affect

CNN Editorial Research Here’s some background information about cloning, a process of creating an identical copy of an original. Facts Reproductive Cloning is the process of making a full living copy of an organism. Reproductive cloning of animals transplants nuclei from body cells into eggs that have had their nucleus removed. That egg is then