Study Links 1.7 Million Deaths to Second-Hand Smoke Exposure in 2023
Source Summary
A Lancet study found that 2.7 billion people worldwide, including 767 million children, were exposed to second-hand smoke in 2023, resulting in nearly 1.7 million deaths. Researchers concluded that second-hand smoke remains a major global health risk with no safe level of exposure.
Why it matters
The study quantifies second-hand smoke as a significant contributor to global mortality, affecting billions of people including vulnerable populations such as children.
