Add Yahoo as a preferred source to see more of our stories on Google. Sperm motility refers to the ability of sperm to move or "swim." It is one of the factors tested in a semen analysis. Learn why it ...

Gas and bloating are common, but persistent symptoms may signal a gut motility disorder affecting digestion. Conditions like ...

The African trypanosome Trypanosoma brucei is a unicellular pathogen that causes lethal sleeping sickness in humans, which is a devastating and neglected tropical disease that is endemic to vast ...

Some of the most intractable gastrointestinal disorders, such as irritable bowel syndrome and inflammatory bowel disease, are motility disorders, where the contents of the intestines don’t proceed ...

A new way to measure male fertility has been discovered by researchers at the University of Waterloo, opening the door to the development of simple, inexpensive tests for clinical and at-home use. The ...