While we all know tobacco consumption is bad for our lungs and heart what we tend to skip is the adverse impact of tobacco on our teeth gums and oral health. Not just can it bring a yellow patch on your white shining teeth but can also affect your gums. It constricts the blood vessels thereby reducing adequate blood flow to your mouth. This turns your mouth into a breeding ground for bacteria. Apart from that it gives you foul breath increases the healing time following an oral surgery and also puts you at a higher risk of getting oral