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.
No country or nation is a recognized âownerâ of Antarctica but several nations do claim pie-shaped slices of the continent. Thanks to an international treaty signed in 1959, only one thing rules Antarctica â science.he continent that surrounds the south pole comprises nearly 10% of the earthâs landmass. Itâs also extremely cold. The annual average temperature is -50Â°C and 98% of Antarctica is covered by ice that averages a mile thick.