Category: 4. Health

If you’ve been unfortunate enough to scroll through TikTok lately, the algorithm may have convinced you that cortisol, your body’s main stress hormone, is ruining your life.

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Warren Loeppky has been a pediatric dentist in the Canadian city of Calgary for 20 years. Over the last decade, he says, tooth decay in children he’s seen has become more common, more aggressive and more severe. Many of his young patients have so much damage that he has to work with them under general anesthesia.

“It’s always sad seeing a young child in pain,” Loeppky says. “Dental decay is very preventable. It breaks your heart to see these young kids that aren’t…

“Dr. Google,” the nickname for the search engine that answers hundreds of millions of health questions every day, has begun including advice from the general public in some of its answers. The “What People Suggest” feature, presented as a response to user demand, comes at a pivotal point…

Cell and gene therapies are breaking ground as life-saving treatments, but their six- and seven-figure price tags are an increasing worry for employers and healths, according to a new analysis.

More than 70%…

WASHINGTON — When traces of H5N1 bird flu showed up in cow’s milk last year, it raised fears that the virus could become more infectious to humans. So far, that hasn’t happened, virologist Richard Webby reported April 23 at the World Vaccine Congress Washington.

Cows were surprise hosts for the virus. Influenza viruses latch on to sialic acid attached to sugar molecules that decorate the outside of cells. It turns out that the way sialic acid is attached to some sugar…

As outside temperatures dropped to the low- to mid-teens Fahrenheit on Feb. 10, 2025, two children died of carbon monoxide toxicity in a family van parked in a Detroit casino parking garage.

We are political scientists who study urban and housing public policies, and in the months since this tragedy, we took a deep look at the trends in homelessness and housing policies that foreshadowed the events of that night.

More kids are experiencing homelessness

One important trend is that…

A recent randomized controlled trial reveals the potential of a program designed to connect patients who have breast cancer to needed exercise and rehabilitation services starting at diagnosis and throughout care. Participants provided positive feedback about the program, supporting efforts to integrate exercise and rehabilitation services as part of routine…

For almost 60 years, measuring cholesterol levels in the blood has been the best way to identify individuals at high risk of cardiovascular disease.

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For many emerging adults, graduating high school and/or starting college is the first time in life in which seemingly all aspects of life can change. Moving out of the home, finding new friends, developing new routines, and experiencing new challenges are just some of the transitions that can seem stressful. A 2023 report by U.S. News & World Report suggested that stress is the second most frequent emotion that college students…

A study analyzing data from nationally representative dietary surveys and mortality data from eight countries (Australia, Brazil, Canada, Chile, Colombia, Mexico, United Kingdom, and United States) shows that premature deaths attributable to consumption of ultraprocessed foods (UPFs) increase significantly according to their share in individuals’ total energy…