Why I Buy German Toothpaste Now
Toothpaste that uses a newer fluoride alternative called hydroxyapatite works to fight cavities—but is scarce in the United States.
Retirement Gets Harder the Longer You Wait
For men like Joe Biden—highly educated, employed past 65, strongly tied to work—stepping away can pose its own risks to health and happiness.
There Are No Good Options Left With Bird Flu
The threat to humans is low. But the status quo is still pretty troubling.
How Risky Is COVID for an 81-Year-Old?
Once again, Joe Biden has COVID-19.
The Sad Future of Grocery Shopping
Food shortages will make grocery shopping more expensive and less fun.
I Went to Death Valley to Experience 129 Degrees
Sweating through one of the hottest days in history
Maybe She’s Born With It. Maybe It’s Neurocosmetics.
Skin care is coming for your brain.
Asthma Boulevard
Living and breathing in Southern California’s pollution corridor
There Are Exceptionally Sharp Octogenarians. Biden Isn’t One.
The president’s age isn’t his problem.
The Silence Doctors Are Keeping About Millennial Deaths
Physicians who care for younger cancer patients are shying away from hard but necessary conversations.
Joe Biden’s ‘Cognitive Fluctuations’
Which version of the president will show up next?
Swap Your Meat for Cheese
A better meat replacement is hiding in your fridge.
The Science of Pet Ownership Needs a Reality Check
Animal companions don’t always produce health benefits for their humans.
A New Danger at America’s National Parks
Extreme heat is making it harder for rescue helicopters to take off.
Pain Doesn’t Belong on a Scale of Zero to 10
A popular scale for measuring pain doesn’t work, but medicine still has no better alternative.
Triple-Digit Highs Can Be Misleading
A single number can’t capture extreme heat.
Americans Have Lost the Plot on Cooking Oil
Olive oil is a great choice. So is canola oil, vegetable oil, avocado oil, and pretty much everything else.
Americans With Food Allergies Are Getting a Bad Deal
Ingredient labels are often vague, misleading, or just plain wrong. It doesn’t have to be this way.
The New Calculus of Summer Workouts
Summer extremes are making exercising outdoors so much more gross.
The First Three Months
What I saw inside the government’s response to COVID-19
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