Which is an example of comparison advertising

Viral hepatitis, type a is usually contracted by eating food that has been touched by dirty hands.

According to the article, when our sleep/wake cycle breaks down, we are at an increased risk for all but which select one: a. respiratory illnesses b. dementia c. diabetes d. heart disease

Which is an example of a drug–nutrient interaction? a.bacterial overgrowth b. changes in absorption c. decreased sense of smell d. poor appetite e. reduced acuity of taste sensation