Cooking dinner for your family should not cause you to suffer disease or lead to your premature death.
And yet according to a landmark study on the issue, globally around 3.5 million deaths per year are attributed to respiratory diseases caused by indoor air pollution (IAP) from open fires and simple stoves, including almost a million deaths in children under 5. It causes chronic obstructive pulmonary disease, pneumonia, heart disease, stroke, cataract and various cancers. Check out this article for more information.
Many families in the slums of Kolkata use simple wood, coal and charcoal burning stoves that generate large amounts of smoke and carbon monoxide, and so are of very significant health concern. Even the relatively cleaner kerosene burning stoves used by some families are not ideal, since their fumes can also cause health problems and they bring an increased risk of burns, fires and poisonings.