Trying a New High-intensity Exercise Protocol

I mentioned previously that I've been following Dr. Peter Attia's suggested aerobic exercise protocol for longevity. The part of the protocol I've least enjoyed is the 4x4 intervals for maximum aerobic intensity, because they lead to soreness the next day. http://www.Amazon.com/books Recently I read The Quick and The Dead by Pavel Tsatsouline, which offers an … Continue reading Trying a New High-intensity Exercise Protocol