I've had a couple of drinks every night since I was 30.  Now at 70, the same amount of alcohol makes me feel tipsy.  What is going on?
D000368:Aged; D000428:Alcohol Drinking / Q000009:adverse effects*; D000435:Alcoholic Intoxication / Q000517:prevention & control; D003071:Cognition / Q000187:drug effects*; D000431:Ethanol / Q000008:administration & dosage / Q000009:adverse effects*; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans
D000431:Ethanol