In the images, the lung of someone who has smoked for 15 years is covered with large black spots, while the lung of a 30-year smoker is even more of a ghastly sight, where even the inside is covered with cancer causing substances. Cigarette smoke contains over 7,000 chemicals, 69 of which are known to cause cancer, according to the American Lung Association
Make sure their airway is clear and monitor breathing and pulse
The 34-year-old was later seen smoking post workout
Mothers who are exposed to secondhand smoke are at a greater risk of having low-birth-weight babies
The proportion who knew this was never higher than 10 per cent when respondents were grouped by characteristics like gender, age, income, education level, race and ethnicity