As a public health expert with a focus on tobacco control, I would like to clarify that there is no safe level of cigarette smoking. Each cigarette contains thousands of chemicals, and smoking even a single cigarette can have immediate adverse effects on your health. The risks associated with smoking increase with the number of cigarettes smoked per day.

Smoking is a leading cause of preventable diseases, including various types of cancer, heart disease, stroke, and respiratory diseases. It also significantly increases the risk of chronic obstructive pulmonary disease (COPD) and can lead to many other serious health conditions.

The best option for health is to not smoke at all. If you're a smoker, quitting smoking is the most beneficial thing you can do for your health. There are many resources and support systems available to help individuals quit smoking.

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Only a few prospective studies have reported on the health consequences of smoking fewer than five cigarettes per day. Our aim was to determine the risk in men and women smoking 1�C4 cigarettes per day of dying from specified smoking related diseases and from any cause.read more >>