Cigarettes Are Hazardous to Your Health Day is observed each year on January 11 to mark the release of a U.S. government report that, for the first time, clearly stated that smoking causes serious disease.

This moment marked a turning point when smoking shifted from being seen as a personal habit to being recognized as a public health threat, setting the foundation for anti-smoking efforts, health education, and tobacco control policies that continue to shape public health today.


🚬 Although this observance is primarily recognized in the United States, global tobacco awareness is now led by World No Tobacco Day on May 31, organized by the World Health Organization and observed in more than 190 countries.


History and Foundation

The day commemorates the release of the first authoritative government report linking smoking to major health hazards. Issued on January 11, 1964, the report was led by U.S. Surgeon General Luther Terry. It confirmed that cigarette smoking causes serious illnesses, including lung cancer and heart disease.

At the time, smoking was widespread and heavily advertised, with limited public discussion of long-term health risks.

Terry chose to release the report on a Saturday to reduce immediate stock market reactions while ensuring it received nationwide attention as a major news event.


📖 If you want to learn more about the 1964 Surgeon General’s report, including original pages and scans of articles that followed, I recommend this resource from the University of Alabama.


Public Health Impact

The influence of the 1964 report went far beyond awareness. It directly led to the Federal Cigarette Labeling and Advertising Act of 1965, which introduced the first mandatory health warnings on cigarette packages, including the statement “Caution: Cigarette smoking may be hazardous to your health.” It also paved the way for tighter controls on tobacco advertising.

The public health approach established in the 1960s later expanded to address secondhand smoke, smoke-free public spaces, and broader tobacco regulation. These strategies remain the foundation of modern tobacco control.


Purpose and Goals Today

Today, Cigarettes Are Hazardous to Your Health Day is used to educate why smoking and nicotine use remain major public health concerns. The observance supports prevention, awareness, and quitting efforts by focusing on clear, evidence-based information.

  • Disease awareness: Highlights that tobacco smoke contains more than 7,000 chemicals, 250 of which are toxic or cancer-causing, and is linked to conditions such as COPD, heart disease, and stroke.
  • Smoking cessation: Encourages people to quit and supports families and communities in reducing smoking rates.

In North America, Cigarettes Are Hazardous to Your Health Day is used by health organizations such as the American Heart Association and the American Lung Association to promote smoking cessation, share clear information about the health risks of tobacco and nicotine, and support people who want to quit.


🖨️ To support quitting efforts, a free 30-day no-smoking tracker is available to help people stay motivated and track progress day by day.

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Last Update: January 9, 2026

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