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.
Bringing the effects of relaxation into our minds, television actually disturbs human brain and makes it tired even within the first minutes of TV watching session. Recent researches discovered that television slows down our thinking.
Although both body-mass index (BMI) and physical activity might be attenuating the link between sedentary behaviour and some types of cancer, researchers still suggested adults (aged 50-71) who watched TV for at least 7 hours a day had a 22% increased risk of cancer mortality relative to those who watched TV less than one hour a day (40, 77).