1, fragile small arteries are the source of cerebral hemorrhage; 2, blood pressure continues to rise can accelerate the process of atherosclerosis; 3, from the heart pumping blood clots; 4, should be alert to abnormal electrocardiogram; 5, excess glucose in the blood; 6, diabetes can make atherosclerosis occur 10 years earlier; 7, the incidence of hyperlipidemia in young people increased sharply; 8, total cholesterol more than 5.18mmol/l (200mg / dl) 9, obesity and excessive accumulation of body fat, 30% of stroke patients are obese; 10, excessive alcohol consumption for the occurrence of stroke pulled the trigger; 11, more than 200 grams of liquor per drink is a danger signal; 12, nicotine can make vascular contracture; 13, the consequences of repeated episodes of vascular spasm; 14, excess animal fat can directly lead to hypercholesterolemia 15, processed food is harmful to the human body; 16, mood swings and long-term tension can contribute to the synthesis and secretion of hypertension-causing substances; 17, soju, barbecue and other dietary excesses can promote stroke; 18, hypertension, diabetes genetic susceptibility; 19, continuous and single lifestyle; 20, hypoxia is harmful to blood vessels.