If blindness or severe visual impairment is the result of a nutritional deficiency, the most likely cause is a deficiency of:

Recent surveys on the negative stereotypes of aging reveal that more people are viewing

A) middle-aged women as wise and mature. B) middle-aged women as greying and wrinkled. C) middle age as a potentially upbeat, satisfying time for both genders. D) middle-aged men as having more negative characteristics than women.

All of the following are frequent causes of death among adolescents EXCEPT

a) homicide. b) heart disease. c) drug overdose. d) cancer.