Health

CNN By Dr. Sanjay Gupta, CNN (CNN) — Happiness is an idea that has been woven into the fabric of humanity, going back to ancient civilizations. Roughly 250 years ago, it made its way into this country’s Declaration of Independence as an unalienable right: “Life, Liberty and the pursuit of Happiness.” Although we’ve grappled with

By Jacqueline Howard, CNN (CNN) — Most types of insulin therapy, an important part of diabetes treatment for many people, are given as daily injections to help manage blood sugar levels. Now, the maker of a once-weekly insulin injection is seeking approval from the US Food and Drug Administration, but a committee of agency advisers

By Brenda Goodman, CNN (CNN) — Meat from a dairy cow that was culled from its herd and sent to slaughter has tested positive for traces of the H5N1 bird flu virus, the US Department of Agriculture announced Friday, but no meat from the cow entered the food supply. The USDA said viral particles of

By Dana Santas, CNN (CNN) — Knee pain is a common issue affecting millions of people worldwide. Whether it’s due to past or current injury, arthritis or simply the wear and tear of aging, the discomfort can be debilitating. In most cases, proactive ways can help you soothe and strengthen your knees. As a mobility

By Jen Christensen, CNN (CNN) — The number of young people in the US who are prescribed GLP-1 agonist drugs like Wegovy and Ozempic for weight loss and diabetes soared 594.4% in just three years, according to new research. Demand for these drugs has skyrocketed for people of all ages recently, but the study, which was

By Sandee LaMotte, CNN (CNN) — Chemical toxins are everywhere — in our water, food, air and soil. Exposure to those toxins during pregnancy can create serious health issues in elementary school children that can affect their lives for years to come, a new study found. Children born to European mothers exposed to four families

By Jacqueline Howard, CNN (CNN) — To screen for colon and rectal cancers, most people have colonoscopies, which can feel invasive and require anesthesia, or they may take an at-home stool test, which can be more convenient but also awkward — and not appealing for the squeamish. But a simple blood test could soon become more

By Sandee LaMotte, CNN (CNN) — Eating more ultraprocessed foods is linked to a higher risk of cognitive decline and stroke, even if a person is trying to adhere to a Mediterranean diet, the DASH diet or the MIND diet, a new study found. All three diets are plant-based, focused on consuming more fruits and vegetables, whole

By Rachel Ramirez and Kristen Rogers, CNN (CNN) — More than 100 fires are burning across Canada, with some wildfires forcing evacuations and affecting air quality in Canada and the northern tier of the United States — and experts have noted that pets could be at risk, too. Dr. Gabrielle Fadl of the Bond Vet

By Brenda Goodman, CNN (CNN) — In early March, Dr. Blake Hanson and his colleagues at the Texas Epidemic Public Health Institute were preparing for a fire drill of sorts. What if a virus with the potential to spark the next pandemic turned up in the wastewater they monitor? And what if that virus was the

By Sandee LaMotte, CNN (CNN) — As an excellent source of heart-healthy omega-3 fatty acids, daily fish oil supplements are a popular way to keep the risk of cardiovascular disease at bay. About 20% of adults older than age 60 in the United States frequently use these products with the aim of supporting heart health.

By Sandee LaMotte, CNN (CNN) — Human testicles contain microplastics and nanoplastics at levels three times higher than animal testes and human placentas, a new small study found. “These plastics are often nano-scale, typically less than half a micron in length and maybe like 20 to 200 nanometers in width,” said toxicologist Matthew Campen, coauthor

CNN Editorial Research (CNN) — Here’s some background information about sarin, a man-made nerve agent developed for chemical warfare. Facts Sarin is a liquid that is clear, colorless, tasteless and odorless. Sarin is an extremely volatile nerve agent because of its ability to change from liquid to gas. If it evaporates into a gas, it

By Sandee LaMotte, CNN (CNN) — The nightmares are intense and often horrifying, sometimes lasting well into the day. “There’s a serial killer after me and the last few years I have the same one,” according to a Canadian patient. “He’s got my legs or something I can still feel something on my legs even