Runner's low

I am not sure what's wrong with me, but ever since a rather successful 10 mile run a month ago I've been unable to repeat that achievement. I quite literally collapse after about 5 miles or so. Now I'm relatively new to this business, so I am asking for your advice. Is this a matter of having overexerted myself? An unbalanced diet? More protein, less carbs, or the other way around? Taking creatine, chondroitin, glucosamine or any other kind of supplement? On behalf of my acidic calves (and several other muscles), I thank you.

22:30

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Your tax dollars at work

No, not a joke. This pic is from a genuine scientific press release. Here's the caption:

'To model Parkinson's disease, researchers bred mice with severe dopamine deficiencies that displayed rigidity, inhibited motion, and, as seen here, freezing behavior.'

11:17

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