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Why the flu hits hardest in fall and winter

Every year, as the weather turns colder, flu season returns—bringing coughs, fevers, and the familiar reminder to get vaccinated. But why does the flu thrive...

New warnings about superbugs

The Centers for Disease Control and Prevention and the World Health Organization recently issued new, dire warnings about the spread of so-called superbugs, infectious bacteria for...

Mixing weed and cigarettes changes the brain’s chemistry, study finds

A new study from McGill University has found that people who use both cannabis and tobacco show unique changes in the brain that could...

Bubble tea’s dark side: From lead contamination to kidney stones

They've become as ubiquitous on British high streets as coffee shops—bubble tea outlets offering their Instagram-worthy drinks in countless flavor combinations. The Taiwanese beverage, a...

Lead found in protein powders and cinnamon: what you need to know

It might be shocking to hear, but recent tests have revealed high levels of lead in popular plant-based protein powders and even in cinnamon...

Bird flu virus found to survive in raw milk cheese, study warns

A new study has found that avian influenza virus, also known as bird flu, can survive in certain types of raw milk cheese made...

High THC levels found in drivers killed in crashes, raising public health concerns

More than 40% of drivers who died in motor vehicle crashes had high levels of active THC—the main compound in cannabis—in their systems, according...

Secondhand smoke steals millions of healthy years from children worldwide

Every year, children around the world lose millions of healthy life years because of secondhand smoke. New research presented at the European Respiratory Society Congress...

Kids may age faster if their fathers smoked as teenagers

New research suggests that people whose fathers started smoking during puberty may age faster than expected, highlighting how teenage smoking could harm not just...

Why smoking reduces common gut disease symptoms

For more than 40 years, doctors have noticed a strange medical mystery: people who smoke are less likely to suffer from ulcerative colitis, a...