Everyone Thinks They Have the Diarrhea Parasite

Cyclosporiasis isn’t the only thing spreading across the US. So is anxiety about getting hit with it.

Lionel Messi’s Final World Cup—and the Death of Early Retirement

Argentina’s Lionel Messi was supposed to be done years ago. Now, sports science is helping soccer’s biggest stars rewrite the rules of aging.

The Explosive Diarrhea Outbreak Is About to Get Much Bigger

Official case counts likely capture only a fraction of US cyclosporiasis infections, and the outbreak is likely to get worse before it gets better.

What Are Fish Oil Supplements Good For? Here’s Your Crash Course

A large-scale clinical trial has shown that even long-term consumption of DHA—an omega-3 fatty acid found in abundance in oily fish—may not lead to improvements in cognitive function.

Food Preservatives May Increase the Risk of High Blood Pressure and Cardiovascular Disease

Aa large-scale study demonstrates that preservatives widely used in everyday processed foods may exacerbate common health risks.

The FDA Ruled That ZYN Pouches Are Safer Than Cigarettes. That Doesn’t Mean They’re Safe

ZYN nicotine pouches, the FDA found, can be advertised as a less-harmful option for adult smokers. But quitting all tobacco and nicotine products remains the best idea.

Heat Domes Are Dangerous. July Fourth Activities Will Make Things Worse

Long hours outdoors, day drinking, and World Cup matches are among the factors raising the risks of heat-related illness, as hot weather spreads across the eastern US.

The Most Promising Ebola Vaccine Has Been Sitting on the Shelf for 15 Years

Years after initial tests, researchers are now racing to see if a vaccine developed in 2011 can help fight the current Bundibugyo outbreak in Congo.

Pseudoscientific Cancer ‘Treatment’ Involves Gassing Naked People in Plastic Bags With Bleach

A London clinic owner has claimed he is treating people with stage 4 cancer by sealing them into a plastic bag while they’re naked from the waist down and gassing them with chlorine dioxide.

The Sperm-Maxxing Bros Are Actually Onto Something

Wellness influencers have stumbled onto a huge issue when it comes male fertility, though not every solution they’re pitching is good advice.