DislikedI have a program to reduce my cholesterol level and to keep my immune system in tip-top condition: I regularly donate blood.{quote} The trouble with many analyses is that the human time frame is used as a metric. Also there is not a lot of data from more than a few hundred years ago. You don't have to go back very far to discover that poor diet and a lack of understanding of disease-transmission (or even any understanding of what disease is) were the main causes of death. Some horrendous statistics have surfaced. Today the life expectancy...
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