Afriend of yours spends a lot of time on facebook, as he has a lot of close friendships there. he is somewhat alienated from his family, who lives far away and most of whom he sees perhaps once a year. lately, he’s been very involved – electronically, of course – with a special, secret group on facebook whose members share the same common concern about their families and the emotional distance they all seem to experience. your friend’s family would be considered

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.