Which hygeine claim is supported by research?
a. there are no benefits to hand washing
b. regular hand soap prevents disease just as well as antibacterial soap
c. regular professional teeth cleaning has no effect on dental health
d. brushing with a fluoride toothpaste has no effect on cavities

Three of the statements below are true one is false. select the statement that is false. a. a decrease in glucose levels levels triggers an increase in secretion of glucagon by the pancreas. b. high cortisol levels generally cause a decrease in gnrh secretion by the hypothalamus. c. high estrogen levels in the blood will tend to decrease secretion of lh and fsh by the anterior pituitary. d. high igf-1 levels in the blood will tend to decrease growth hormone secretion by the anterior pituitary.

The is a thin membrane that transmits sound waves into the middle ear.

If gonorrhea is a treatable infection why do so many men experience severe damage and even in infertility or joint infections as a result of leaving it untreated