The single most dangerous thing you can do to your heart is 'smoke'. Just by itself, cigarette smoking not only increases your risk of heart diseases, but it also worsens other factors that contribute to heart disease - increases blood pressure, increases the tendency of blood to clot and decreases HDL (the good cholesterol) levels.
validated by: Dr Vivek Nangia, Dept. of Pulmonology, Fortis Vasant Kunj |