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This popular brain supplement was linked to shorter lifespans in men

Science Daily · Jun 15, 2026, 12:27 PM · Also reported by 1 other source

Why this matters: new research or scientific developments with potential real-world impact.

A large-scale study suggests that men with higher levels of the amino acid tyrosine may have shorter lifespans, potentially losing close to a year of life expectancy. The finding is especially intriguing because tyrosine is commonly associated with brain health and is often used in supplements aimed

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