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Wildfires burning in Canada started sending smoke across the border on Sunday and into the week, prompting U.S. officials to issue air quality warnings in several northern states—and experts say people should be prepared to experience more air quality alerts this summer.Parts of Montana, the Dakotas, Minnesota, and Wisconsin suffered from poor air quality on Sunday and Monday because of smoke from wildfires continuing to burn in British Columbia and Alberta. While skies in the U.S. mostly cleared by Tuesday, experts say they’re expecting another active wildfire season this summer. Last summer was Canada’s most devastating wildfire season on record, and researchers found that it was also the worst season in recent history for smoke exposure per U.S. resident. “We still think that last year ...

Striking up a conversation—especially with a stranger—is a lot like adding kindling to a fire pit and hoping it ignites. Choose the wrong starter, and the flame will fizzle out. But when you get it right, conversation and connection can spark.Conversations play an essential role in our well-being. Having just one quality talk a day, especially face-to-face, can increase happiness and lower stress levels by the end of the day, research has found. You don’t even have to know the person. In one study, people overestimated how awkward deep, meaningful talks with strangers would be, and found that instead, these conversations uplifted them and made them feel more connected than they expected. Plus, asking questions makes people like us more, which can be a boon to self-esteem.But what should yo...

TIME celebrated on Monday the 100 most influential people leading change in health at a special dinner. The first TIME100 Health list spotlights doctors, scientists, business leaders, advocates, and others at the forefront of big changes in the industry.After a panel discussion on prioritizing women’s health, three TIME100 Health honorees gave toasts about surviving noma, a severe gangrenous disease of the mouth and face; the healthcare advocates pioneering research and treatments related to COVID; and hospitals under attack in conflict zones.Surviving nomaFidel Strub, a survivor of Noma, has led an awareness campaign on the disease, which mostly affects malnourished young children living in extreme poverty. In 2023, the WHO officially recognized noma as a neglected tropical disease, notin...

The weight room at the gym can be an intimidating place. The equipment looks like it could crush you if you use it wrong. People grunt as they haul heavy things up and down. And why don’t these machines come with instruction manuals, anyway?Figuring out how to start strength training as a beginner can be tough, but it’s worth the effort. Modern exercise science shows that strength training offers a host of benefits, like stronger bones, decreased inflammation, lower risk of cancer and cardiovascular disease, plus better sleep, mental health, and cognitive function. And, of course, stronger muscles. “We start to lose muscle tissue as early as our 30s if we don't [work to] maintain it,” says exercise physiologist Alyssa Olenick. That’s why current federal guidelines recommend that adults wor...