Smoking Hazards

10 Pages 2593 Words

ical has been named as one of the most potent known bladder carcinogens.

Benzo[a] pyrene (Suspected carcinogen): Cancer is more likely to occur with repeated exposure to the chemical than with a single dose of the same amount. Other than cancer, the other risks include dermatitis, photo allergy, non-neoplastic respiratory disease, and emphysema. The chemical is also said to have an inhibitory effect on the human fecundity levels, which means that exposure leads to decreased reproductive capacity for both males and females (http://www.emedicinehealth.com/articles/16255-1.asp 4).

Formaldehyde: (Carcinogen, allergen and irritant): Long-term exposure at levels greater than 0.1 ppm (parts per million) seems to pose a risk of cancer in the lung, pharynx, buccal cavity, liver, bone, skin, prostate gland, bladder, kidney and eye, blood cells. Formaldehyde exposure greater than 0.22 ppm is linked to respiratory symptoms, such as cough, phlegm, chronic bronchitis, asthma, dyspnoea. Formaldehyde is known to produce allergic reactions and indu...