Which best explains the phenomena of "creeping obesity? "
a) fast food and an unhealthy environment
b) social comparisons and normative behavior
c) increases in sedentary behavior
d) declines in activity level and bmr with age

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.

Which of the following is characteristic of the lytic cycle? a) viral dna is incorporated into the host genome.b) the viral genome replicates without destroying the host.c) a large number of phages are released at a time.d) the virus—host relationship usually lasts for generations.

Which one of the doll choices is a bio marker of biological again that can you determine whether or not you’re doing or worse than your chronological age