"Many Americans are deficient in vitamin D due to limited sun exposure from indoor lifestyles, sunscreen use and our northern ...

Cancer-fighting T-cells, the immune system's primary enforcers, are scarce in the rare kidney cancer called chromophobe renal ...

Causes of low sperm count Low sperm count, also called oligospermia, is a major cause of male infertility. Sperm count is considered low if it dips below 15 million sperm per milliliter (mL) of semen.

A new study by the Genomics and Microbial Evolution Group at the Miguel Hernández University of Elche (UMH) together with the ...

1. Low sperm count One of the most common causes of watery semen is oligospermia (low sperm count), which means your semen contains fewer than 15 million sperm per milliliter of semen.