>>4212844Smoke 3 packs of cigarettes a day, according to those same doctors a pack of cigs takes about 12-24 hours off of your projecting lifespan as well. To accelerate it even further, eat a high sodium, high cholesterol, high saturated fat diet and you might shave off a decade from your potential projected lifespan (you will most likely die for heart disease, heart attack, cancer, or heart failure this way, somewhat painfully).