Medically reviewed by Matthew Wosnitzer, MD Key Takeaways Sperm can live for up to five days inside the female reproductive ...

Sperm health depends on various factors, including quantity, movement and structure. Lifestyle can play a big part in sperm quality. It won’t surprise anyone to know that drugs, alcohol, smoking and ...

A recent study published in Evolutionary Psychological Science failed to find evidence that body mass index is be a strong ...