What happens when we quit smoking and tips to do so.

  Breaking a bad habit is difficult, no matter what it is. But when it comes to smoking, you're putting your health at risk with every additional minute, hour, and day that you delay putting out your last cigarette.   Take a look at what happens to your body after you quit smoking—immediately and over the long term           In the first 20 minutes:  your blood pressure and heart rate recover from the nicotine-induced spikes.   After 12 hours:  the carbon monoxide levels in your blood return to normal. After two weeks:  your circulation and lung function begin to improve. After one to nine months:  clear and deeper breathing gradually returns; you have less coughing and shortness of breath; you regain the ability to cough productively instead of hacking, which cleans your lungs and reduce your risk of infection. After one year : your risk of coronary heart d...