While women may deserve a glass of wine at the end of the day it appears as though one glass of antioxidant-rich red wine a day for men is required. According to a study it reduces a man's risk of prostate cancer by more than 10% - However the white wine chardonnay has the opposite effect. It can raise the risk by 26%. Red wine has previously been linked to a reduced blood-clotting risk too. However if you are allergic to nuts it should be avoided.