1 Myotonic (also called MMD or Steinert's disease). 2  The most common form of muscular dystrophy in adults, myotonic muscular dystrophy affects both men and women, and it usually appears any time from early childhood to adulthood. 3  In rare cases, it appears in newborns (congenital MMD).
There are around 66 scientific bases in Antarctica, of which about 37 are occupied year round. There are about 4,000 people through the summer months and about 1,000 overwinter each year.
The highest temperature ever recorded in Antarctica was 17.5 Â°C (63.5 Â°F) at Hope Bay, on the Antarctic Peninsula, on 24 March 2015. The mean annual temperature of the interior is â57 Â°C (â70.6 Â°F). The coast is warmer.