Health

By Aya Elamroussi, CNN The US has surpassed 20,000 new Covid-19 cases for the fourth day in a row as the highly contagious Delta variant persists in its track in being the most common form of the coronavirus in the country. The last time the country had back-to-back days of cases topping 20,000 was in

By Jessica DuLong, CNN Jessamyn Stanley’s new book, “Yoke,” begins with a spiritual awakening prompted by a typo. A late-night email alerted Stanley to a misspelling printed in her first book, “Every Body Yoga” She’d mistakenly defined the Sanskrit word for yoga as meaning to “yolk” instead of “yoke.” Instead of summoning images of joining

By Deidre McPhillips, CNN All eyes are on the Delta variant that is now dominant in the United States as new Covid-19 cases rise week-to-week and the variant — first identified in India and also known as B.1.617.2 — accounts for a growing share. But trends from Israel and the United Kingdom — where the

By Jacqueline Howard, CNN Even though the biopharmaceutical company Pfizer has announced that it might be time to consider giving a third dose of its coronavirus vaccine to people, many doctors and public health officials argue that it’s more beneficial to get shots into the arms of the unvaccinated right now than to boost those

CNN Editorial Research Here’s a look at meningitis outbreaks in the United States. General Information Meningitis is caused by the inflammation of the protective membranes (known as meninges) covering the brain and spinal cord. The inflammation is typically caused by an infection of the fluid surrounding these areas. There are five types of meningitis: bacterial,

By Jacqueline Howard, CNN Vaccine makers are preparing for a next possible phase of the Covid-19 vaccine rollout: booster doses. The biopharmaceutical company Pfizer announced on Thursday that it has seen waning immunity from its coronavirus vaccine — although efficacy in preventing serious illness remains high — but did not detail the evidence. It said

By Jamie Gumbrecht, CNN US Food and Drug Administration Acting Commissioner Dr. Janet Woodcock on Friday requested an investigation by the US Department of Health and Human Services Office of Inspector General into the controversial approval of the Alzheimer’s disease drug Aduhelm. In a letter posted on Twitter, Woodcock said an independent review and assessment

By Melanie Radzicki McManus, CNN There is nothing quite like an alfresco workout, with its fresh air and changing scenery. But when temperatures soar, beware. Exercising in hot weather stresses your body, especially if the humidity is high. If you do not take proper precautions, it can actually be dangerous, and potentially lethal. The number

By Lauren Mascarenhas, CNN The US Centers for Disease Control and Prevention on Friday updated its Covid-19 schools guidance to emphasize in-person schooling is a priority in the fall, regardless of whether all mitigation measures can be implemented. As K-12 schools will have a mix of vaccinated and unvaccinated people, the agency says it’s still

By Aya Elamroussi and Dakin Andone, CNN The most populous county in the US is seeing “exponential growth” of Covid-19 cases as the Delta variant takes over as the dominant coronavirus strain, health officials in Los Angeles County said. “We do continue to see an uptick in cases and hospitalizations,” Los Angeles County Public Health

By Maggie Fox, CNN Drugmaker Pfizer said Thursday it is seeing waning immunity from its coronavirus vaccine and says it is picking up its efforts to develop a booster dose that will protect people from variants. Pfizer said it would soon publish data about a third dose of vaccine and submit it to the US

By Maggie Fox, CNN The Delta variant of coronavirus is now the dominant lineage in the US, parts of Europe and elsewhere. Also known as B.1.617.2, it is clearly more transmissible, but it is unclear if it causes more severe disease. It’s taken over from the B.1.1.7 or Alpha variant in most of the countries

By Jacqueline Howard, CNN The US Food and Drug Administration has narrowed the group of Alzheimer’s disease patients who should receive the controversial drug aducanumab, sold as Aduhelm. The FDA approved changing the drug’s label to clarify that the treatment is intended specifically for patients with mild cognitive impairment or milder stages of disease, according

By Lauren Kent, CNN Flossing your teeth isn’t just important for keeping your dentist happy — it may also protect against cognitive decline. Good oral health habits like brushing and flossing may prevent cognitive impairment and dementia, according to a new analysis led by researchers at NYU Rory Meyers College of Nursing. “Given the staggering

By Deidre McPhillips, CNN Covid-19 vaccines saved hundreds of thousands of lives and prevented more than a million hospitalizations in the United States, according to new estimates from researchers at Yale University and the Commonwealth Fund. The researchers compared actual trends in Covid-19 cases, hospitalizations and deaths against a modeled trajectory of what those trends