As we age, the world around us changes along with our bodies. Our senses of taste, smell, hearing, and sight all become less sharp. A new study shows that, over…

A new study upends the assumption that the youngest and oldest people sleep the least. But the study found people actually sleep the least in middle age. Sleep duration falls…

Your body doesn’t always match the age on your ID. Try a few quick checks to get a better sense of your true, functional age. Quick Check 1. Measure your…

A team of researchers from the University of the Federal Armed Forces in Hamburg found that people over 50 tend to have the most negative attitudes toward permanent body art.…

You can often tell someone’s generation from their haircut or what they wear. But there are other clues—like how they type on a smartphone. TikTok creator Tyler Morgan recently posted…

We often assume young people hit their highest peaks in sports and the arts. But peaks in physical and intellectual activity vary with age, and youth isn’t always an advantage.…

A new study of Norwegian men finds that those with higher IQs tend to become fathers later than men with lower IQs. Surprisingly, the higher-IQ group also ended up with…

A team at the University of Edinburgh found that young men on a low-calorie diet shed fat twice as fast as young women — but that gap vanishes after about…

A tortoiseshell cat named Millie, who lives with her owner Leslie Greenhalf in the British town of Stockport, recently celebrated her 30th birthday. This milestone made headlines, since such an…

To determine a dog’s age in human years, don’t just multiply your pet’s age by seven. Calculating a dog’s age is more nuanced. A dog’s lifespan depends on several factors,…

People often become less social as they age. But it’s not just humans—animals do it too, and for many species that pullback can bring benefits. “Overall, it seems there is…

Small dogs can live twice as long as large ones, a fact many devoted pet owners already know. A team of researchers from Eötvös Loránd University in Budapest, Hungary, set…

A team of British and American scientists from the universities of Exeter, New York, Arizona, and Pennsylvania analyzed eight years of data on more than 200 rhesus macaques on Cayo…

Doctors often start the examination with a so-called “visual test”: using a first impression, they judge whether a patient looks older or younger than their actual age. This observation can…

A team of scientists from the University of Science and Technology of Macau and Shanghai Jiao Tong University has developed a new method for estimating biological age. The researchers hope…

Making a movie character look decades younger or older used to demand big budgets and long hours. Until recently, those transformations were labor-intensive and often far from perfect. But a…

In recent years, women in their forties have become fashionable—not just on screen, but in real life. When you observe these women—still young and in their prime, confident and strong—it’s…

How can you tell how old a caught fish is? By examining its scales. When a fish hatches from its egg it already has the beginnings of its scales, and…