Archive · 21 Nov 2025
Light Smoking Linked to Higher Heart Disease Risk
Smoking just 2 cigarettes a day can significantly increase your risk of dying from any cause and developing heart disease, according to a long-term study by Johns Hopkins University.
This is true for both men and women.
So, even light smoking can be very harmful to your health.
Johns Hopkins study found smoking 2 cigarettes daily increases all-cause mortality risk by 60%
Same group had 50% higher risk of heart disease compared to non-smokers
Study tracked over 300,000 adults for nearly 20 years
Findings published in PLOS Medicine journal
Both men and women showed increased risk
- Who
- Johns Hopkins University scientists, over 300,000 adults
- What
- Found increased health risks from light smoking
- When
- After nearly 20 years of tracking participants
- Where
- Not specified
- Why
- To study the effects of light smoking on health
- Study Duration
- Nearly 20 years
- Participants
- Over 300,000 adults
- Cigarette Threshold
- 2 cigarettes daily
- All-Cause Mortality Risk Increase
- 60%
- Heart Disease Risk Increase
- 50%
