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A study of 358,957 men found that testosterone therapy is safe when prescribed for the right reason. For the one in three men taking it without a diagnosis, the cardiovascular risk is dramatically higher.

Medical Research & Innovations

A study of 358,957 men found that testosterone therapy is safe when prescribed for the right reason. For the one in three men taking it without a diagnosis, the cardiovascular risk is dramatically higher.

Sep 11 · 9 min read · Lancet

Researchers followed 1,925 couples across three waves and found that narcissism and relationship quality influence each other simultaneously. The person with narcissistic traits is also being changed by the relationship they’re destroying.

Researchers followed 1,925 couples across three waves and found that narcissism and relationship quality influence each other simultaneously. The person with narcissistic traits is also being changed by the relationship they’re destroying.

Sep 2 · 9 min read · Journal of Personality and Social Psychology

A study of 5,053 Americans found that making a drug legal instantly makes people think it is safer, even when told its properties are identical to an illegal drug. The opposite is also true.

A study of 5,053 Americans found that making a drug legal instantly makes people think it is safer, even when told its properties are identical to an illegal drug. The opposite is also true.

Aug 27 · 8 min read · Nature

A brain imaging study of 1,189 people found that childhood trauma physically rewires the neural networks responsible for self-control, producing chronic procrastination decades later

A brain imaging study of 1,189 people found that childhood trauma physically rewires the neural networks responsible for self-control, producing chronic procrastination decades later

Aug 21 · 8 min read · NeuroImage

A study of 1.6 million social media posts found that adding moral language increases engagement, but only up to a point. The most moralistic posts perform worse than posts with no moral language at all.

A study of 1.6 million social media posts found that adding moral language increases engagement, but only up to a point. The most moralistic posts perform worse than posts with no moral language at all.

Sep 8 · 8 min read · Nature

Researchers measured narcissism in 45,000 people across 53 countries and found the same pattern everywhere. Young men consistently score highest, and the gap widens in certain types of societies.

Researchers measured narcissism in 45,000 people across 53 countries and found the same pattern everywhere. Young men consistently score highest, and the gap widens in certain types of societies.

Aug 31 · 9 min read · Self and Identity

Doctors have assumed amyloid plaques are the first sign of Alzheimer’s. A new study found the brain is already changing 7 years before those plaques appear on scans.

Medical Research & Innovations

Doctors have assumed amyloid plaques are the first sign of Alzheimer’s. A new study found the brain is already changing 7 years before those plaques appear on scans.

Aug 25 · 7 min read · Nature

Researchers sequenced 4,526 samples from 714 mother-infant pairs and found that a mother’s gut bacteria colonize her baby’s gut, not her vaginal or breast milk bacteria. And her gut predicts whether the baby will get eczema.

Medical Research & Innovations

Researchers sequenced 4,526 samples from 714 mother-infant pairs and found that a mother’s gut bacteria colonize her baby’s gut, not her vaginal or breast milk bacteria. And her gut predicts whether the baby will get eczema.

Sep 4 · 10 min read · Nature

Scientists have known for decades that eating 25% less slows aging. A new study finally found the specific protein responsible, and blocking it works without dieting at all.

Medical Research & Innovations

Scientists have known for decades that eating 25% less slows aging. A new study finally found the specific protein responsible, and blocking it works without dieting at all.

Aug 29 · 8 min read · Nature

Doctors say “that’s normal” to reduce patient anxiety. A study of 9,371 people found patients interpret those words as “you don’t need treatment” and stop seeking help.

Medical Research & Innovations

Doctors say “that’s normal” to reduce patient anxiety. A study of 9,371 people found patients interpret those words as “you don’t need treatment” and stop seeking help.

Aug 23 · 9 min read · Nature

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