A comprehensive study involving more than 270,000 participants has identified a connection between elevated blood levels of the amino acid tyrosine and a reduced lifespan in men. Researchers utilized a combination of observational data and genetic analysis to reach this conclusion.
The findings suggest that higher concentrations of tyrosine could potentially decrease male life expectancy by nearly one year. In contrast, the study observed no significant impact on the lifespan of women.
Tyrosine occurs naturally in protein-rich foods and is widely marketed as a dietary supplement intended to enhance focus and mental performance. This distinction in health outcomes based on sex makes the results particularly notable for consumers of the supplement.
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