29 Jan 2012 I weigh 143 lbs, and I am 5'11". I want to know if I should take a weight gainer or protein to gain some weight and muscle. I don't want to gain too much fat, just lean muscle.

26 Jun 2011 Once the body's ATP-PC stores are used up (~10 secs), it is time for the anaerobic (lactic) energy system to contribute. It is the predominant ATP supplier for activities lasting over ~ 10 seconds, but less than ~ 2 minutes.

13 Jun 2011 ATP is the "energy currency" of the human body; in other words, all activities which require energy (such as beating of the heart, growing hair, breathing, jumping jacks, etc…) use ATP as the "fuel". An explanation of the body's "energy systems" actually discusses how ATP is created, rather than what is being created), which is always ATP.

29 May 2011 In previous posts, we dealt with energy intake and storage within the human body. In this upcoming series, we will explore the next chapter of the energy utilization process by discussing the different energy systems which make up human metabolism.

18 Dec 2010 For day 6 of our 12 healthy habits for Christmas, I am going to write about a topic that isn't technically a health "habit", but I get enough emails about this, that I feel justified in including it in our roundup: ignore (or at least research before you try) Fad Diets.