Which one of the following factors contributes to hypertension?
a. a vigorous exercise regimen
b. a lack of sleep
c. a diet that lacks protein
d. a high-fat diet

The factors which cause hypertension among thee is B - a lack of sleep, D - A - a high fat diet and C - a diet that lacks protein (this is so because if you're not eating enough protein it means you're substituting thoe proteins with something else which is either fat or carbs).