Quote:
Originally Posted by pooh
Not to pick a nit, BUT, I do think your analogy of a car burning fuel and a body burning calories isn't the best.
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I won't make any claim that it's the best analogy. It just popped into mind and I used it because I like it. Lighting a candle is another. The point is that burning is burning and it has a similarity to what happens in the body. Oxygen is required/consumed and byproducts/waste are given off. Engines age and eventually die and so do we.
Of course we are not exactly the same but the result is the same. What makes us different is the fact that free radicals (created from the burning process) go zipping around damaging our DNA. The damage can be repaired but we become less and less capable of keeping up with repairs as we get older.
To be continued: