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If all Jason posted was the first one about physicians, he'd be a hero. The rest of the items make him a superstar.

One slight quibble. Off the top of my head I will make a few comments...

Coffee has unfortunately been "employed" to rev up the work flow of the sick, and the poorly rested who abound in most industrialized nations.

From its mythical origins in the Arabian peninsula, to Bach who wrote a cantata to God in praise of its magical effects, to the coffee fanatics from Albania to Oslo and the rise of the Corporate swill of Starbucks, coffee has had a checkered reputation.

Consumed without additives, it produces a relatedly brisk rise in serum polyphenols. those magical colored flavonoids that provide an array of benefits to hominids, number one being cancer prevention.

When the roasting is done sparingly, or light roasted, coffee retains more polyphenols and specifically, a compound called trigonolline, which gerontologists say is helpful for aging brains.

As an ergogenic aide, used sparingly, it is a far safer stimulant in the gym than Russian or Chinese androgenic black market steroids. It won't cause acromegaly, liver cancer, or atrophied testicles.

The LD50--the dose that 50% of test subjects die--for coffee is so high that a person will die of water poisoning before enough coffee could be consumed. (I looked this up to be sure I was accurate: An 80 kg person's LD50 would be 113 cups at 250 mL each, with 135 mg caffeine per serving.) Discomfort from the anxiety or muscular tension would limit the dose far before death. Of course some people with poor cardiovascular system, GI tract, or renal function may feel the need to avoid or use coffee sparingly. I always recommended my patients with cardiac arrhythmia avoid the methyl-xanthines (caffeine and theobromine found in tea.)

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