Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. (<a href=Photo via ShutterStock) " title="ssmitochondriax1200" width="1" height="1"/>

Cellular powerhouses explain why alcoholics have weaker muscles

Doctors know long-term alcohol abuse makes muscles weaker, but scientists haven’t had a good explanation for why that is — un ...

11 years ago