Robert increased his workout from 3 days a week to 5 days a week. What did he change? A)Intentsity
B)Type
C)Time
D)Frequency

Which of the following is not a health effect of alcohol abuse? a) increase in blood pressure b) loss of memory c) increased brain function d) increased breast cancer risk in women

How do the uv rays cause damage?   what exactly causes the skin to burn;   can you be more specific about this mechanism?   3. how do photosensitive medications increase a person's sensitivity to sunlight and therefore increase their risk of getting burned?     what kind of medications can increase photo-sensitivity, can you think of some examples?

Hand washing is an important behavior that can cut down your chances of becoming sick with a communicable disease. select the best answer from the choices provided. t f