What affect does testosterone replacement therapy have on the cardiovascular system?read somewhere that it has vasodilation benefits. true?

Can be a risk for MI: Actually, testosterone therapy can increase the risk of heart attacks in some men, so it should be a decision made after careful discussion with one's physician. The possible benefits and risks should be carefully considered. The vasodilatation may have some benefit in pulmonary hypertension, but it is not a main treatment to create vasodilatation.