Why is Arctic sea ice important? Arctic sea ice keeps the polar regions cool and helps moderate global climate. Sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. As sea ice melts in the summer, it exposes the dark ocean surface.
Lipodystrophy is a medical condition characterized by abnormal or degenerative conditions of the body's adipose tissue. lipodystrophy can be a lump or small dent in the skin that forms when a person performs injections repeatedly in the same spot.
Muscular dystrophy is a term that refers to a number of diseases that cause progressive loss of muscle mass resulting in weakness and, sometimes, loss of mobility. There are many different kinds of muscular dystrophy, each affecting different groups of muscles. In some types of muscular dystrophy, symptoms begin in childhood.