Question: How Bad Is Light Smoking?

Light smokers also have a higher risk of lung cancer than nonsmokers.

“A unique risk of light or casual smoking is the possibility that it could lead to gradually smoking more, making it more difficult to quit,” notes Dr.


Is light smoking harmful?

Light and social smoking carry cardiovascular risks. Light smoking isn’t as bad as heavy smoking, but it still harms the heart and body. If you quit smoking completely, your health will benefit. Light or intermittent smoking may be safer for you than heavy smoking, but they still cause plenty of harm.

How bad is an occasional cigarette?

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.

How many cigarettes a day is not harmful?

Conclusions: In both sexes, smoking 1–4 cigarettes per day was associated with a significantly higher risk of dying from ischaemic heart disease and from all causes, and from lung cancer in women.

Can light smokers get cancer?

Lung and Other Cancers

For daily smokers (> 20 cig/day), the risk of dying from lung cancer is more than 23 times higher in men and about 13 times higher in women than nonsmokers (1). Light smoking also results in an increased risk of gastrointestinal (esophagus, stomach, pancreas) cancers (32–34) (Table 1).