Serial lactate measures also help assess response to therapy. The half-life of lactate is around 20 minutes, even in septic patients. If the lactate is persistently elevated, it's not because the body can't get rid of it, but because the body continues producing it, shifting to anaerobic metabolism.
That's because the Philadelphia Rock 'n' Roll Half Marathon, which has been run in the city for 38 years, has a new date for 2015, landing on Oct. 31.
Philadelphia is at the center of it all. It is easy and affordable to get here. Conveniently located in the Northeast United States, the second-most populous city in the East is just 90 minutes from New York City and two hours from Washington, D.C., by train. PHILADELPHIA BRAG LIST: Click to see what everyone is saying about the city.