Nature created our bodies to have the ability to deal with all parts of the complex system which makes us what we're as well as maintains what we're. Take testosterone for instance - just the same as we make no conscience choice to breathe, when we put the body of ours through high levels of actual physical exertion, our brain detects that we have exhausted some of the testosterone in our blood and it then releases more from storage to deal with the tension of the exertion and as well as the brain commands the testicles not only to produce replacement testosterone; it also informs the testes to create an increased amount of hormones in order to be able to cope with continuing excessive levels of physical. In this particular scenario, the more we do to exercise, the more testosterone our brain triggers being produced and so in effect our entire body is generally adapting to the environment of ours to cope with expected stresses.
Of course this particular cycle of producing a lot more testosterone to cope with increases in exercise which is physical works in the other way to, and thus if we do much less physical job that our body will produce less testosterone because doing any more than is being used is unnecessary. Aside from the cycle of the physical exertions of ours, the natural body balance is easily annoyed and affected by synthetic inputs, and we need look no more than the way foods are produced in the western world to know how and precisely why most men on average in 2010 have vastly reduced amounts of testosterone compared to exactly the same average men of the 1930s. Perhaps it is not deliberate on the part of theirs, but there is absolutely no doubt whatsoever that the modern day food processing corporation is poisoning us because of their food processing strategies which only have one objective - increased earnings.
Those folks who value their health must move towards eating just organically grown foods, and they must boost their organic best testosterone herbs levels by taking diet supplements just because they do take multi vitamins.