If the body does not produce enough red blood cells, anemia results. To correct this condition, persons may take drugs containing iron and certain vitamins.
"A large proportion of alcohol-related absenteeism is due to alcohol hangovers, which are more common for light to moderate drinkers than for heavy drinkers," said the study.
During these procedures—operations that are done through small cuts in the body in which a miniature camera and surgical tools are maneuvered—surgeons are wearing 3D glasses for a better view.
Many believed it took years for cigarettes to cause any harmful effects to the body, but this study is the first to actually observe how tobacco substances relate to DNA damage when smoking.