Valentine's Day is the perfect occasion to show love and appreciation not just for your significant other, but for your furry companion as well.

New research shows that a network of subcellular structures similar to those responsible for propagating molecular signals that make muscles contract are also responsible for transmitting signals in ...

Medically reviewed by Alicen Nelson MD, MPH The navel, also known as the belly button or umbilicus, is a small, round, or ...