Why might some people find it difficult to follow the myplate recommendations?

a.
the guidelines change often.
b.
the colors of myplate are confusing.
c.
it is difficult to eat across all food groups.
d.
it is not possible to customize the guidelines.

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.

One hospital ceo insists on including performance data in the hospital’s annual report. “we do very well on most measures, except for one or two, but we put those in anyway,” she says. “we want to hold ourselves accountable.” does this practice demonstrate effective or ineffective leadership?

Health and cardio respiratory fitness occurs when the heart is working, at minimum, 50 percent of heart rate reserve. true or false