Condoms reduce the risk of pregnancy as well as STDs. They are the only form of birth control that protects from STDs, currently. Hope that helped you.
The best form of birth control and STD prevention would be having no sex but if you are having sex then condoms would be the best way to prevent pregnancy and prevent you from getting STD's
Depending on the amount of alcohol consumed, will decide how much it affects both a person blood pressure and heart rate. This is why people who drink excessively are at risk of a stroke or cardiac arrest.
True, atherosclerosis is the chronic build up of atheromas (fatty plaques in vessel walls) which can rupture and lead to occlusion or obstruction downstream causing heart attack (blocking heart muscle) or stroke (blocking brain tissue).