What may cause a stroke?

high systolic blood pressure
high diastolic blood pressure
blood clot or atherosclerosis blocking an artery that supplies blood to the brain
both a and b

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.

What is a quick method use only to only partially cooked item

Stasis of blood flow from immobility injury to a vessel or predisposition to clot formation increase the risk of