Biological risks of smoking By Awais khan Smoking has a much higher risk of developing life threatening deaseses The most crucial risk of smoking is cancer in o Lungs kidneys oral cavity breast bladder easophagus lyrinx pancreas and in stomach Components of ciggerete Tar the majority of the perticulate matter inhaled by the smoker is tar Followings are the black roles of TAR Within tar there is many carcinogens cancer causing agents In solid state it stains the teeth and fingers and also stain and demmage lung Tar also increase production of mucus Nicotine The black roles of nicotine are Increase heart rate blood pressure Constriction in blood vessels Demage the muscles Disturbed the harmonal system Causes coronary diseases Carbon mono oxide CO it is formed when a cideratte is lit The black roles of CO Prevents oxygen transportation Impair lung function Risk of more and more lung diseases Benzene is a major component of cigeratte many of which have been linked to cencer 2 Black roles of Benzene Causes lung cencer leukaemia Formaldehyde present in cigeratte Black roles of Formaldehyde Causes cencers Gastrointestinal problems Metals are also found in cigeratte smoke Many of which have been Linked to cencer A few metals present in cigeratte smoke are Radioactive compounds are also found in cigerattes All of them are carcinogens Arsenic Nickel Cadmium Chromium Lead 3