Testosterone and estradiol are not the only hormones we should be worried about.
Another hormone, one that is very important for our health and cannot survive without, is cortisol.
A fitness site for people over the age of 40 has a great primer on cortisol:
Cortisol is our primal stress hormone. When it’s released in our blood system, it reduces some bodily functions such as digestion and metabolism. Other functions like our muscles is instead put on high alert. This was great back in Homo Sapiens early days when we were chased by a Sabre-Toothed Tiger. But maybe not always so great for the modern man. And definitely not when we’re talking chronic stress. Stress can even kill you.
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