Which of the following often causes a burning and reddening of the face and neck for which a doctor might recommend taking a regular-strength aspirin one-half hour beforehand?
a. niacin
b. riboflavin
c. vitamin d
d. vitamin c

Hello userthe correct answer is b.)because marburg virus causes marburg virus disease in humans and nonhuman primates, a form of viral hemorrhagic fever hope this : )

C= syphilis would be the answer

Because without physical activity, the body has extra "energy" if you will, and so when it is time for bed you are not tired, so you end up staying up all night. also there is probably an effect on your internal clock, which messes with your melatonin production which goes hand in hand with your sleep cycle