Adult drug use rose during pandemic, but dropped dramatically in youth, study says

Editor’s Note: Sign up for CNN’s Stress, But Less newsletter. Our six-part mindfulness guide will inform and inspire you to reduce stress while learning how to harness it. CNN — Use of marijuana and other substances dropped in teenagers during the first year of the pandemic, according to a new study. But adults’ use of … Read more

Mpox is almost gone in the US, leaving lessons and mysteries in its wake

CNN  —  The US public health emergency declaration for mpox, formerly known as monkeypox, ends Tuesday. The outbreak, which once seemed to be spiraling out of control, has quietly wound down. The virus isn’t completely gone, but for more than a month, the average number of daily new cases reported to the US Centers for … Read more

Covid-19 is a leading cause of death for children in the US, despite relatively low mortality rate

CNN — Covid-19 has become the eighth most common cause of death among children in the United States, according to a study published Monday. Children are significantly less likely to die from Covid-19 than any other age group – less than 1% of all deaths since the start of the pandemic have been among those … Read more

Large Study Finds Link Between Viral Infections and Future Brain Illness

An illustration of varicella zoster virus, the cause of chickenpox and shingles.illustration: Shutterstock (Shutterstock) Common viral infections may be having far-reaching effects on our brain health, new research suggests. The study found a link between dozens of different viral exposures and a later increased risk of Alzheimer’s disease and other brain disorders. More research will … Read more

Origins of plague could have emerged centuries before outbreaks, study suggests

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN — In the largest DNA analysis of its kind, scientists have found evidence to suggest that historic plague pandemics, such as the Black Death, were not caused by newly evolved strains of bacteria but … Read more

Super Gonorrhea Has Reached the U.S.

An illustration of Neisseria gonorrhoeae bacteria.illustration: Shutterstock (Shutterstock) Super gonorrhea has infected people-in the United States for the first known time. This week, Massachusetts public health officials announced the discovery of two gonorrhea cases appearing to display increased resistance to all known antibiotic classes that can be used against it. These cases were thankfully still … Read more

Flu, Covid-19 and RSV are all trending down for the first time in months

CNN — A rough respiratory virus season in the US appears to be easing, as three major respiratory viruses that have battered the country for the past few months are finally all trending down at the same time. A new dataset from the US Centers for Disease Control and Prevention shows that the number of … Read more

First cases of gonorrhea resistant to several classes of antibiotics identified in the U.S.

CNN — Public health officials say they have found two cases of gonorrhea that appear to have reduced susceptibility to every kind of antibiotics available to treat them. It’s the first time strains of gonorrhea this resistant to antibiotics have been identified in the United States. Increased sexual activity during the pandemic, coupled with fewer … Read more

Grizzly bears test positive for bird flu in Montana, officials say

CNN — Three grizzly bears were euthanized in Montana after they became ill and tested positive for the highly pathogenic avian influenza (HPAI) virus, according to the state’s Department of Fish, Wildlife & Parks. These were the first documented cases of bird flu in a grizzly in Montana and the first nationwide for this outbreak … Read more

Decreasing rates of childhood immunization are a major concern. Our medical analyst explains why

CNN — Vaccine rates for measles, polio, diphtheria and other diseases are decreasing among US children, according to a new study from the US Centers for Disease Control and Prevention. The rate of immunizations for required vaccines among kindergarten students declined from 95% to approximately 94% during the 2020-21 school year. It dropped further — … Read more