3. "People with the slower version of the CYP1A2 enzyme who also drank at least two to three cups of coffee per day had a significantly increased risk of a non-fatal heart attack ...fast metabolizers, on the other hand, may have actually reduced their heart attack risk by drinking coffee." Cornelis MC et al. (2006) . “Coffee, CYP1A2 genotype, and risk of myocardial infarction.” JAMA 295(10):1135-41.
4. CAFFEINE EFFECTS: SUBJECTIVE VS. OBJECTIVE CUPS OF COFFEE (DECAF) DEGREE OF AGITATION
5.
6. "The ALDH2 gene encodes a protein ...responsible for the second step of ethanol processing: the conversion of the highly toxic acetaldehyde to the harmless acetic acid (vinegar)...Having two copies of this version results in an extremely unpleasant experience when drinking"
7. ALCOHOL EFFECTS: SUBJECTIVE VS. OBJECTIVE NUMBER OF DRINKS DEGREE OF INTOXICATION & ILLNESS (VIOLENT NAUSEA)