Which statement is true about pandemics and epidemics?

A.) A pandemic can escalate into an epidemic.
B.) An epidemic can escalate into a pandemic.
C.) A pandemic is localized in one area while an epidemic is spread across countries.
D.)A pandemic only involves infectious diseases while an epidemic only involves E.)noninfectious diseases.

Agroup of 50 adult male humans were in a clinical study to determine how much niacin is toxic. during the first two weeks of the study, members of the group consumed only a formula diet that was nutritionally complete, except it contained 24 mg niacin, which is 1.5 times the rda for niacin (males). at that point in the study, all members reported feeling fine. during the next week, they were given a formula that contained 48 mg niacin. within a few days of consuming this formula, 90% of the participants reported feeling ill, and they complained of having upset stomachs and reddened facial skin. at that point, researchers gave the subjects a formula that contain 16 mg niacin. after a week of consuming the new formula, all participants reported feeling well again. based on this information, the researchers concluded that the amdr for niacin is between 16 and 24 mg/day. ul for niacin was between 24 and 48 mg/day. human requirement for niacin is 16 mg/day. eer for niacin was 16 mg/day.

The following are all tips for mindful eating except:

The effects of tobacco use on society include high taxes and loss of life. select the best answer from the choices provided. t f