New research on night owls and loneliness found the late hour is not the real cost. Being awake on a schedule nobody else keeps is the bigger problem.
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Sleeping With the Light On May Reshape Your Heart
Sleeping with the light on, even dimly, was linked to thicker, stiffer hearts in a study of 11,071 people. What it found, what it can’t prove, and what helps.
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Autism Life Expectancy: A 14-Year Gap, Much of It Avoidable
Autism life expectancy was 64.9 years in a new study of 2 million people, nearly 14 years under the US average. Much of the gap has causes we can prevent.
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Lifestyle Changes for Brain Health: One Group Got 38 Meetings, the Other Got 4
Lifestyle changes for brain health worked better with structure and company. A two-year trial in 11 countries found a 55% bigger gain. Here is the catch.
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Micro-Awakenings: Your Brain Wakes Up Without You
Micro-awakenings break your sleep repeatedly every night and you remember none of them. A study of 500+ healthy adults found what they track with, and why.
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Injectable Satellite Livers: A Helper, Not a Replacement
Injectable satellite livers don’t replace the failing organ. MIT put liver cells in belly fat, and they lived. What the study actually showed — and didn’t.
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Dormant Breast Cancer Cells: Where They Hide in a Tumor
Dormant breast cancer cells stop dividing, so chemotherapy misses them. Scientists have now mapped where they hide inside a tumor, and who is standing guard.
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Tyrosine Supplement and Lifespan: What a 272,000-Person Study Actually Found
A tyrosine supplement is sold for sharper focus. A study of 272,475 people linked higher tyrosine to about a year less life in men. The fine print matters.
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Is Sorbitol Bad for You? Your Body Makes Its Own Anyway
Is sorbitol bad for you? Your own intestine makes sorbitol from ordinary sugar, and gut bacteria quietly decide whether it ever reaches your liver at all.
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Heart and Kidney Disease: Two Organs, One Loop Nobody Was Watching
Heart and kidney disease speed each other up. New European guidelines tell every heart patient to get two cheap, ordinary tests nobody was ordering yet.