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everyones HR is unique the 220 minus age is usualy wrong. some people are like diesel motors that hit max at 170 or so others i've known could hit 240 even in late 30s. for a given percieved level of exertion i wouldnt expect it to come down in fact the fitter you get the more likely you are of seeing an even higher figure…
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EPO killed dozens of young professionals in the 90s is human growth hormone safe to use? Ricardo Ricco nearly killed himself re-infusing his own blood he hadn't kept refridgerated well enough. I coach kids to race in cycling and they look up to people like this. i also know lots of classy riders who turned their back on…
