Three ways obesity affects your sperm and what you can do about it.
Sperm are important because they transport the father’s DNA to start the process of having a baby.
In 2017 the medical journal Human Reproduction Update published a landmark study showing that sperm counts have decreased 60% over the last 40 years in Western countries.
Men are fathering children later in life. In fact, over the last 40 years there has been a 60% increase in men over 40 fathering children.