peter follows a vegan diet. he feels tingling in his hands and feet and often experiences bouts of depression. which vitamin deficiency may
cause these symptoms?

a. b1
b. b3
c. b5
d. b12

How does drinking alcohol or using drugs put a person at risk for hiv infection? a.they improve judgment, which makes it more likely for people to engage in risky behavior. b.they impair judgment, which makes it more likely for people to engage in risky behavior. c.they impair judgment, which makes it less likely for people to engage in risky behavior. d.they improve judgment, which makes it less likely for people to engage in risky behavior.