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 (MD) is a group of muscle diseases that results in increasing weakening and breakdown of skeletal muscles over time. The disorders differ in which muscles are primarily affected, the degree of weakness, how fast they worsen, and when symptoms begin.