01 Sep Vaping Is Attracting More Teens to Tobacco Use
Vaping is touted by some as a weapon in the war against smoking, but the unfortunate truth is that its...
Vaping is touted by some as a weapon in the war against smoking, but the unfortunate truth is that its...
AUGUST 2016 Here is a roundup of the articles, news & updates that we've published on the PERF blog site during the...
This letter by the late Dr. Thomas Petty was published on the PERF2ndWind website in August of 2005, and the...
This is part three of a three-part article. Click here for part 1: "Altitude & Oxygen Levels." Click here for part 2:...
This is part two of a three-part article. Click here for part 1: "Altitude & Oxygen Levels." Click here for part 3:...