A massive study of more than 270,000 people has uncovered a surprising link between a common amino acid and how long men live. Researchers found that higher levels of tyrosine—an amino acid found in protein-rich foods and often marketed as a focus-boosting supplement—were associated with shorter life expectancy in men, potentially trimming nearly a year off lifespan.
Source: https://www.sciencedaily.com/releases/2 ... 042458.htm
Source: https://www.sciencedaily.com/releases/2 ... 042458.htm
