I am not taking liberties when I tell you that almost certainly you have a much lower testosterone level than the average of men from 70-80 years ago - the questions is how do I know, and why is it true.
I know that you probably have lower than average testosterone because you are probably carrying too much body fat - let's get realistic about it, almost all American men are too fat and equally true is that most will suffer from heart diseases later in life and probably diabetes and obesity related health issues.
Being over-weight is a direct effect of testosterone levels being too low, and being too fat will further exaggerate the low-level of testosterone both of which become an ever-worsening feedback loop of declining health.
The main reason for men of 2010 having typically 60% less testosterone than the 1930s is because of the mass-produced rubbish we call food today - artificially processed food stuffs pack full of chemicals, preservatives, hormones, food colorings and pesticides mostly with their natural dietary fiber removed and extra fats and sugars added all put into plastic packaging with pretty pictures of nature so as to put a spin on the contents to mislead us into believing there is nature's goodness inside.
We should not be fooled by the marketing fraud perpetuated by the food-processing multi-nationals, nor should we be fooled as to the horrifying effects these food processing corporations have had on the testosterone levels of the average man in today's modern society.
To address the damage done to your less than average testosterone level, your most urgent priority must be to choose to buy and eat organically grown food produce and meats.
When you have taken the hard decision to reverse what has created this problem, then you should consider boosting your testosterone levels with diet supplements much the same as you take a multi-vitamin.