Environment & Lifestyle
How your surroundings and daily habits affect your health, checked against the studies: nature, light, air pollution, microplastics, tap water, screens, health gadgets and tests. Plain-English verdicts with every source linked.
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A school phone ban clears phones from class fast, but studies so far find no mental-health boost on its own. Here is what changes, what doesn’t, and why.
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A full body MRI scan finds a cancer in about 1.6 of every 100 healthy people, and a harmless spot in most of the rest. Here is what $2,500 really buys you.
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A 2025 study found microplastics in brain tissue at about half a percent by weight. Here is what the spoon headline means, and why chemists dispute it.
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Partly. In a digital detox trial, 467 adults were asked to block mobile internet for two weeks. Most did not fully stick to it, yet 91% of finishers improved.
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The blue zones’ habits hold up, but the head counts do not: US birth certificates cut records of people past 110 by 69 to 82 percent. Here is the evidence.
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A little. A week of strong antiseptic mouthwash raised blood pressure 2 to 3.5 points in 19 people, and pooled trials found an even smaller rise.
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The 2025 fluoride IQ study pooled 74 studies and found a real link. Here is why it fades below 1.5 mg per liter, and what that means for your tap water.
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Blue light glasses were tested in 17 trials on 619 people: eye strain was unchanged, the sleep results disagreed, and the retina claim was never tested.
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The sleep apnea signs that matter most are the ones a partner sees: loud snoring, breathing pauses and gasping. Roughly 8 in 10 serious cases go undiagnosed.
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Sleep tracker accuracy splits in two: rings nearly match a medical ECG on heart rate, but no device is close on sleep stages. Here is what to trust tonight.
