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Drinking coffee at night might come with an unexpected downside: increased impulsivity. In a new study, fruit flies given caffeine after dark behaved more recklessly, ignoring signals that normally make them stop. Daytime caffeine didn't have the ...

A dramatic surge in kratom-related poison center calls is raising alarm among health experts, as new data shows cases have jumped more than 1,200% over the past decade. Alongside the spike, hospitalizations and deaths linked to the widely available . ...

A new study suggests that simplifying your diet by eating the same meals and keeping your calorie intake consistent could help you lose more weight. Researchers found that people who followed predictable eating routines during a 12-week program lost ...

Deep sleep does far more than rest the body -- it activates a powerful brain-driven system that controls growth hormone, fueling muscle and bone strength, metabolism, and even mental performance. Scientists have now mapped the neural circuits behind ...

A major analysis of nearly 10,000 patients shows that simple, non-drug treatments like knee braces, hydrotherapy, and exercise can significantly ease knee osteoarthritis symptoms. These approaches not only reduce pain and improve mobility, but also . ...

A large U.S. study reveals that more than a quarter of people with hard-to-treat high blood pressure may have an overlooked hormone problem. Elevated cortisol--often linked to stress--was found in 27% of these patients, far higher than expected. This ...

A powerful cholesterol-lowering drug may be changing the rules of heart disease prevention. Researchers found that evolocumab, typically used for people who already have cardiovascular disease, can significantly cut the risk of first-time heart ...

Just a few minutes of getting out of breath each day could dramatically cut your risk of major diseases--including heart disease, dementia, and diabetes. A large study of nearly 100,000 people found that it's not just how much you move, but how ...

Scientists have discovered that the ocean's "missing" plastic hasn't vanished--it has broken down into trillions of invisible nanoplastics now spread through water, air, and living organisms. These tiny particles may be everywhere, including inside . ...

After a stroke, the brain may do something surprisingly hopeful--it can "refresh" parts of itself. Researchers analyzing brain scans from over 500 stroke survivors found that while the damaged side of the brain appears to age faster, the opposite, .. ...