Loneliness is complicated. You can feel lonely when you lack friends and miss companionship, or when you’re surrounded by people — even friends and family. Either way, loneliness can have devastating health effects. It boosts risk for coronary artery disease, stroke, depression, high blood pressure, declining thinking skills, inability to perform daily living tasks, and […]

Bone-deep exhaustion not eased by rest, lasting six months or more. Brain fog. Pain. These and other symptoms are hallmarks of myalgic encephalitis/chronic fatigue syndrome  (ME/CFS). People who have it find their symptoms often spike after minor daily tasks, work, and other exertions. A new CDC report estimates 3.3 million Americans — including many with […]

When we think about radiation therapy, we typically picture treatments directed at tumors by a machine located outside the body. Now imagine a different scenario — one in which radioactive particles injected into the bloodstream find and destroy individual cancer cells, while leaving healthy cells unscathed. The drug One such “radioligand” is already available for […]

Dementia usually develops in people ages 65 years and older. So-called young-onset dementia, occurring in those younger than age 65, is uncommon. Now, a new study published in December 2023 in JAMA Neurology has identified 15 factors linked to a higher risk of young-onset dementia. Let’s see what they found, and — most importantly — […]

If you are trying to cut back on added sugar — and you should, because excess sugar increases risks for obesity, diabetes, and heart disease — you might be tempted by products advertised as low sugar, no sugar, or sugar-free. Many contain familiar low-calorie sugar substitutes like aspartame or sucralose instead of sugar. And as […]

Last winter, my wife shooed the dog and visiting toddlers away from our poinsettia plants, saying “they’re poisonous, you know.” I did not know. But it turns out that the belief that poinsettias are deadly is widespread. The same could be said for mistletoe and holly. But are their reputations for danger well-deserved? Since these […]

By midwinter, our urge to hibernate can start to feel constricting instead of cozy. What better antidote to being cooped up indoors than a bracing hike in the crisp air outdoors? Winter backdrops are stark, serene, and often stunning. With fewer people on the trail, you may spot more creatures out and about. And it’s […]

As a kid, I spent many Saturdays romping around my Florida neighborhood imitating Colonel Steve Austin, better known as The Six Million Dollar Man to avid TV watchers in the 1970s. The popular show featured a bionic man — half human and half machine — who could jump from three-story buildings, leap over six-foot-high walls, […]