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Scientists find drinking this much coffee a day slows biological aging by up to 5 years
Study of 436 severe mental illness patients found 3-4 cups of coffee daily linked to biological age up to five years younger, measured by telomere length.
- A BMJ Mental Health study found 436 study participants with severe mental illnesses who drank three to four cups of coffee a day had biological age up to five years younger than non-coffee drinkers.
- Mechanistically, Dr. Small explains that coffee's antioxidant and anti-inflammatory plant compounds may preserve telomeres, and caffeine might increase TERT, but caution is advised for generalization.
- Researchers measured telomere length from blood samples, finding benefits plateaued and declined after five cups daily, while coffee preparation was not specified.
- Health authorities note coffee improves metabolic health and lowers type 2 diabetes risk, but the U.S. Food and Drug Administration recommends no more than 400 milligrams of caffeine per day to avoid side effects.
- Experts caution the findings from people with SMIs may not generalize to the general public, and Gary Small, M.D., and David J. Fein, M.D., note benefits mainly apply to black coffee .
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A new study has revealed a surprising link between your daily coffee intake and the biological age of the cells in your body • But researchers have warned that too much coffee could lead to unwanted side effects
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