Read my blog here. It's full of tips, news and good things you should know.
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Try www.workout.com and take a free tour of their site.  It's pretty comprehensive. 
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The American Council on Exercise at www.acefitness.org has plenty of information on fitness, as well as getting certified as a personal trainer. 
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If you're in the Brentwood/Williamson County region of Tennessee, please consider getting certified in CPR at the Red Cross.  You can contact them here:
http://williamsoncounty.redcross.org
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An interesting site on basic exercise and nutrition: 
http://www.tim-richardson.net/BodyForLife/analysis.html
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Is it a good day for a walk outside? Go to  www.weather.com.