Interestingly enough, the men with the lowest vitamin C blood levels had a risk of stroke more than double of those with the highest levels of the vitamin.
The researchers theorize vitamin C may act as an antioxidant, helping to strengthen artery walls and preventing blood platelets from clumping together and adhering to artery walls. Foods that are rich in the vitamin include citrus fruits, kiwis, broccoli, peppers and mangoes.