Tag Archives: health

You’ve likely heard that blue light from smartphone screens may be keeping you awake at night. While the sun is our main source of blue light, the rise of LEDs and screen use exposes us to artificial blue light in the evening. Blue light suppresses melatonin, a hormone we naturally …

This article is republished from The Conversation under a Creative Commons license. Recent outbreaks of bird flu—in US dairy herds, poultry farms in Australia, and elsewhere, and isolated cases in humans—have raised the issue of food safety. So can the virus transfer from infected farm animals to contaminate milk, meat, …

Only two drugs are formally approved for post-traumatic stress disorder, or PTSD, and they don’t help everyone. A lack of effective treatment options has led some patients to seek out the psychedelic drug MDMA, also known as ecstasy, to help relieve their symptoms when traditional medications and therapy don’t work. …

Surgeons in New York have removed a pig kidney less than two months after transplanting it into Lisa Pisano, a 54-year-old woman with kidney failure who also needed a mechanical heart pump. The team behind the transplant says there were problems with the heart pump, not the pig kidney, and …

A few months back, my friend and fellow bicycle enthusiast Eric prepared for his first 100-mile bike ride. Concerned about how sore he’d be afterward, he wondered what he could do to improve his ride. As a convert to the Church of Fat Tires, I was excited to share with …

In 2016, Noland Arbaugh suffered a spinal cord injury while swimming in a lake. The details are fuzzy, but what he remembers is rushing toward the water with his friends, diving in, and hitting his head on something—or someone. He floated to the surface, unable to move. Doctors later confirmed …

Since it was first identified in 1983, HIV has infected more than 85 million people and caused some 40 million deaths worldwide. While medication known as pre-exposure prophylaxis, or PrEP, can significantly reduce the risk of getting HIV, it has to be taken every day to be effective. A vaccine …

A large, long-term trial of the weight-loss medication Wegovy (semaglutide) found that people tended to lose weight over the first 65 weeks on the drug—about one year and three months—but then hit a plateau or “set point.” But that early weight loss was generally maintained for up to four years …

Depression runs hot. In the 1980s, psychiatrists began noticing that patients with depressive symptoms had higher body temperatures compared to people without, and that their body temperatures didn’t ebb and flow as much throughout the day. The more severe a patient’s depression, the higher their temperature tended to be. Researchers …

To drink raw milk at any time is to flirt with dangerous germs. But, amid an unprecedented outbreak of H5N1 bird flu in US dairy cows, the risks have ratcheted up considerably. Health experts have stepped up warnings against drinking raw milk during the outbreak, the scope of which is …