Folate is found in orange juice, green leafy vegetables, and fortified cereals. The current Recommended Daily Allowances are probably too low. Reports on calcium, phosphorus, magnesium, vitamin D and fluoride have already been released. Increases to the current RDA levels are anticipated as DRI's are established. Don't use tobacco in any form.
Smoking is the largest single risk factor for heart disease, stroke, lung cancer and oral cancers.
It is associated with many other diseases and premature aging. Smoking lowers HDL cholesterol levels and increases the risk of clotting of the blood. See the VFS section on Smoking Cessation for a full discussion. Several studies have demonstrated a reduced risk of heart attacks in men who use aspirin daily. There is a slight increased risk of a bleeding type stroke in aspirin users.