The sheer scale of tobacco's impact on global disease burden, and particularly what is likely to happen without appropriate intervention in developing countries, is often not fully appreciated. The extremely negative impact of tobacco on health now and in the future is the primary reason for giving explicit and strong support to tobacco control on a world-wide basis. The tobacco industry has certainly suffered several high profile set-backs in recent weeks. Bowel tone and activity increases along with saliva and bronchial secretions. Stimulation of the central nervous system may cause tremors in the inexperienced user, or even convulsions with high doses.
Stimulation is followed with a phase that depresses the respiratory muscles.
As a euphoric agent, nicotine causes arousal as well as relaxation from stressful situations. Then Britain had just about the worst lung cancer rate in the world. Lung cancer falling Fifty years later, Sir Richard Peto and his colleagues are saying that lung cancer in Britain is falling faster than anywhere else in the world. And that is because smokers are getting the benefit of giving up. Adult smoking rates vary between different parts of the country.