The human body is complex. And that can make it hard to know what’s normal and what's a cause for concern — especially when there's not always a clear answer. This is often the case when it comes to ...

From fingernails to faeces, our bodies have a number of ways of telling us when something might be amiss. Semen, the fluid emitted from the male reproductive tract, is among these indicators, with ...

Semen is a thick, sticky, whitish-grey fluid produced by the male reproductive system. It typically contains sperm cells, along with other components that help nourish them and support their movement, ...