A new study has found low testosterone in men is associated with a shorter lifespan and increased cardiovascular disease.Testosterone levels in men have been dropping for the last several decades, and is part of a broader endocrine decline in developed countries.What’s causing this shift?What are the consequences of testosterone deficiency?Testosterone supplementation, also known as hormone replacement therapy, has developed a bad reputation. But what does the research actually say?Today, we do a deep dive into all of this.Views expressed in this show are opinions of the hosts and guests, and do not necessarily reflect the views of The Epoch Times.