Health effects of passive smoking

Cancer
3,000 cancer related non smoker deaths can be directly attributed to passive smoking each year.
Heart diseases
Approximately 50,000 non s moker deaths from heart related issues can be linked to passive smoking each year.
Ear infections
Passive smoking is accountable for an increased number of ear infections. Studies have shown there is a significant difference in the occurrences of ear infections between the children of smoking and non smoking parents.
Low birth weight
The National Cancer Institute reports that second hand smoke is responsible for 10,000 low birth weight births a year. Low birth weight often results in other health problems and is a major factor in many infant deaths.
Asthma
Second hand smoke is responsible for nearly 8,000 cases of newly diagnosised asthma annually. It is also responsible for nearly 1 million cases of exacerbated asthma every year.
Sudden infant death syndrome
Passive smoking is related to nearly 2,000 cases of SIDS each year.

http://www.ac-nancy-metz.fr/enseign/anglais/Henry/smoking.htm