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Epidemiology
For better and worse, the Columbian Exchange plugged the Americas into the global system — and there was no going back.
To advance the gender-affirming healthcare of all those who transition, we must also understand the nature and causes of those who detransition.
And it seems to work alongside popular weight-loss medications, like Ozempic.
A secret to a long, healthy life may lie in the diversity of gut viruses, which can supercharge bacterial metabolism and resist disease.
The National Suicide Prevention Lifeline relaunched last year with a new number, yet few Americans are aware of the helpline and its purpose.
A study found that older adults who cannot balance on one foot for ten seconds have an 84% higher risk of death than those who can.
Tardigrades can completely dehydrate and later rehydrate themselves, a survival trick that scientists are harnessing to preserve medicines in hot temperatures.
Energy balance is the greatest arbiter of weight gain. Embrace the "oinker diet."
Bram Stoker's mother survived a terrible cholera outbreak and recounted the ghastly scenes to her son years later.
Germans are masters of building cars, cooking brats — and sitting while peeing.
Some scientists think we should allow our bodies to more harmlessly live with pathogens until they’re cleared from our systems.
Claims of a "loneliness epidemic" aren't based on robust data. Loneliness might be a problem, but it's not worse than it was in the past.
The chances that a newborn survives childhood have increased from 50% to 96% globally.
As a physician, John Pringle helped reinvent hygiene; as a husband, he destroyed a woman’s life with his abuse.
Our bodies crave more food if we haven’t had enough protein, and this can lead to a vicious cycle.
Scientists are finding tumor signals in spit that could be key to developing diagnostic tests for various types of cancer.
Be skeptical of a new study questioning the sweetener's safety.
Marburg virus, like its cousin Ebola, causes severe disease, with fatality rates ranging from 22% to 90%.
A deadly myth has been manufactured from poor methods and wishful thinking.
The Apple Watch could soon take the pain out of monitoring blood sugar levels.
Gum disease begins in the mouth but spreads to the joints. Rheumatoid arthritis is just one of several diseases linked to poor oral health.
Researchers found that the average penis increased in size from 4.8 inches in 1992 to 6 inches in 2021. But in some regions, they shrank.
From the bedside to the lab bench, here’s how laboratory testing works.
The pathogen typically kills more than 90% of people it infects.
Viruses, it turns out, can block one another and take turns to dominate.
Millennials are reversing a 40-year decline in stroke deaths.
From COVID and cancer vaccines to a steady drop in the number of people living in extreme poverty, there are reasons for optimism in 2023.