Some dog breeds are known for their power and potential danger if mishandled—here are 21 to be aware of.
What is FSHD in children? Facioscapulohumeral muscular dystrophy (FSHD) is a rare genetic muscle disease that affects the muscles of your child’s face, shoulders, upper arms, and lower legs. These ...
Subscribe today. Everyone is familiar, at least hand-wavingly, with the distinction between slow-twitch and fast-twitch muscle-fiber types. The former are great for running marathons; the latter ...