Answer:
Smoking must be avoided because of the following reasons · Cigarettes contain nicotine which stimulates adrenal gland to release adrenaline and nor- adrenaline into blood. It results in increased heart rate and blood pressure. · Smoking is associated with the cancer of lungs, throat and oral cavity. · It increases carbon monoxide content in blood and causes oxygen deficiency in the body. · It is associated with bronchitis, emphysema, gastric cells, etc.
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