Lets know some KEY facts about Second handsmoke

Key Facts About Secondhand Smoke

• The 2006 Surgeon General's Report on secondhand smoke concluded that there is no risk-free level of exposure to secondhand smoke. Short-term exposure can potentially increase the risk of heart attacks.²
• Secondhand smoke exposure causes disease and premature death in children and adults who do not smoke. Secondhand smoke contains hundreds of chemicals known to be toxic or carcinogenic, including formaldehyde, benzene, vinyl chloride, arsenic ammonia and hydrogen cyanide.³
• A 2009 report by the Institute of Medicine confirmed that secondhand smoke is a cause of heart attacks, and concluded that relatively brief exposure could trigger a heart attack.⁴
• Secondhand smoke causes approximately 3,400 deaths from lung cancer and 22,700 to 69,600 deaths from heart disease each year.⁵
• Research into previously secret tobacco industry documents reveals that research conducted by cigarette company Philip Morris in the 1980s showed that secondhand smoke was highly toxic, yet the company suppressed these findings during the next two decades.⁶
• http://www.lungusa.org/stop-smoking/about-smoking/health-effects/secondhand-smoke.html