In 2018, The “WHO’s Guidelines for indoor air quality” has health-based recommendations on the types of fuels and technologies and strategies for the dissemination and adoption of home-based energy technologies.
Cooking with oils and fuels produces high levels of household air pollution associated with health-damaging pollutants that deeply penetrate the lungs with buildings and homes that can have air contaminants 100 times higher than acceptable levels when ventilation is poor.
Small particulate matter and other pollutants in indoor smoke inflame the airways and lungs, impairing immune response and reducing the oxygen-carrying capacity of the blood. There is evidence of links between household air pollution and low birth weight, tuberculosis, cataract, nasopharyngeal and laryngeal cancers.
Read the article: https://www.who.int/news-room/fact-sheets/detail/household-air-pollution-and-health