Yeah it's well known that liver enzyme efficiency declines slightly with age. Also you may unknowingly run into medications that inhibit it, which gets more lik

Yeah it's well known that liver enzyme efficiency declines slightly with age. Also you may unknowingly run into medications that inhibit it, which gets more likely as you age and accumulate chronic issues requiring medication. I'm envious of your 100 grams of beans a day consumption - if I have more than about 10g / one single espresso I'm a wreck for the entire day! The area-under-curve for slow metabolizers is 9 times larger - 3x the duration, 3x the concentration.