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Testosterone is trending in gyms, on social online and in politics. US Defense Secretary Pete Hegseth even wants troops screened for low testosterone. But taking supplements can shut down the body's natural production.
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Every so often we hear of high-ranking politicians or CEOs claiming to get by on very little sleep — some as little as three hours a night. If they're not natural short sleepers, chances are they're heading for trouble.
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Researchers are observing certain age-related types of cancer more frequently in younger people. A new study suggests this could be because younger generations are aging faster than their parents or grandparents.
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Flexing achievements? Cringe. Expressing genuine emotions? Cringe. You want to look away, but you can’t. Cringe. It's so addictive, people have built social media careers by monetizing other people's worst moments.
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The latest US data show measles cases from January to mid-July 2026 totaled more than all cases in 2025. Experts blame a fall in vaccination and warn that people have forgotten measles can be life-threatening.
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Lenacapavir is one injection, twice a year. It's a big improvement for people in high-risk groups, currently taking a pill a day against HIV infection. But its long-term impact depends on it reaching those very people.
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Chronic illnesses, heart disease, obesity ― we know eating too much of the wrong foods can be unhealthy. But what about "good" foods: Is modern farming diluting micronutrients in our fruit and vegetables?
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High temperatures can increase the risk of dizziness, dehydration, exhaustion and other heat-related problems for people taking antidepressants.
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A new therapy offers people with seemingly incurable brain tumors scope for hope: It could slow the progression of the disease and extend patients' lives.
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In Germany, it is time to rethink and rebuild. Many apartments were not designed for heat waves. Fortunately, there are ways to adapt existing buildings to the changing climate — but air conditioning isn't the best.
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Temperatures are set to soar in the US around the July 4 holiday, a week after Europe struck new records. With experts predicting more intense and more frequent heat waves in the future, can our bodies adapt?
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Earthquakes are a fact of nature, but living with earthquakes doesn't have to mean living in fear. DW takes a closer look at some countries showing how preparation, innovation and determination can save lives.
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Summer, the FIFA World Cup and a cold beer. Sounds like a dream? Be careful, though; the combination of heat and alcohol can quickly take a very bad turn.
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Summer, the FIFA World Cup and a cold beer. Sounds like a dream? Be careful, though; the combination of heat and alcohol can quickly take a very bad turn.
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TikTok, Instagram and YouTube clips are designed to overwhelm the brain's pleasure circuitry and keep people watching. Researchers say short-form videos may only be the start when it comes to harvesting human attention.
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The EU has eased restrictions on crops developed using novel genetic techniques. While supporters say the technology could help farmers adapt to climate change, critics argue its effects remain poorly understood.
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There are still mines in the Straight of Hormuz, delaying the opening for commercial shipping. How dangerous are naval mines, and what can be done to clear them?
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Every other month, researchers find new uses for GLP-1 agonist drugs, like Mounjaro and Ozempic — now even as a treatment for substance abuse. It's classic drug repurposing, a technique that saved lives during COVID.
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Depression can be a huge challenge for a relationship. Loved ones of someone with depression often feel helpless. But there is actually a lot they can do ― and a lot they shouldn't.
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SSRIs, like Prozac and Zoloft, are among the world's most-prescribed psychiatric drugs. These antidepressants help a lot of people. But they don't always work. In fact, some experts suggest they are overprescribed.
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