I've been reading a lot of debate about how much exercise is enough and at what rate, etc.
In college P.E. I was told a something that keeps being contradicted on this site: You shouldn't do above what you're conditioned to do. For instance, I'm 5'6" and 222 lbs, I should not be trying to RUN or do INTERVAL TRAINING b/c I could seriously hurt myself at this stage (knees esp.!). In this class we created sample exercise programs based on our stats and mine (15-20 pounds ago...) was to start with WALKING and LIGHT resistance training with, of course, stretches and stuff for flexibility.
Here, I've read stuff like you HAVE to do interval training to lose fat, etc.
Was the info I recieved in P.E. outdated or something? I understand that science is always changing...

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