Quick Answer: What Happens If You Smoke One Cigarette?

No matter how you try to slice it, inhaling any amount of cigarette smoke is bad for your health.

A large, new meta-analysis published in The BMJ found that smoking just one cigarette a day could drastically increase the risk of coronary heart disease and stroke.

Does smoking one cigarette affect you?

The chemicals in tobacco smoke reach your lungs quickly every time you inhale, causing damage immediately, U.S. Surgeon General Regina M. Benjamin said in releasing the report. Inhaling even the smallest amount of tobacco smoke can also damage your DNA, which can lead to cancer.

Is smoking one cigarette a week harmful?

Just one to four cigarettes a day almost triples your risk of dying from lung cancer. And social smoking is particularly bad for your heart, as bad as regular smoking, it seems. Studies have shown light and intermittent smokers have nearly the same risk of heart disease as people who smoke daily, Professor Currow said.

Can one cigarette kill you?

It Can Still Kill You. THURSDAY, Jan. 25, 2018 (HealthDay News) — If you think having just one cigarette a day won’t do any harm, you’re wrong. British researchers say lighting up just once a day was linked to a much higher risk of heart disease and stroke than might be expected.

How many cigarettes is OK to smoke a day?

Smoking one or two daily carries large risk

They found that compared with never smoking, smoking about one cigarette per day carries 40–50 percent of the risk for coronary heart disease and stroke that is associated with smoking 20 per day.