Also, start reading up on thyroid conditions, and then follow-up with some reading on andropause [the male equivalent of menopause]. Most of the commonly used thyroid tests are unreliable because they focus on only one or two of the most common of the many possible problem areas.
Here's the link for thyroid conditions:
Although the andropause article mostly discusses reproductive consequences, there are many other problems such as osteoporosis, heart disease, Type II diabetes, weight gain [with muscle loss], cognitive function [memory], etc. Follow the links from this article for more information.
[This message has been edited by Jay Tor (edited 06-24-2002).]