teratoma. a type of germ cell tumor made up of a number of different types of tissue from one or more of the germ cell layers; it is usually found in the ovary or testis and may be either benign or malignant.
The first and the most dangerous effect of watching too much of television is mass physical degradation in our society. People, who spend hours and hours in front of the TV sets, are under very high risk of becoming overweight and obese.
Primary Effects of TV Violence. The research on the effects of TV violence have been summarized by the National Institute of Mental Health (1982):  . . . violence on television does lead to aggressive behavior by children and teenagers who watch the programs. This conclusion is based on laboratory experiments and on field studies.