The latest tobacco related mortality figures are startling with Africa projected to have some of the highest number of deaths by 2050.

Forty million smokers could die from TB by 2050, latest research suggests.

Smokers are about twice as likely to get the lung infection and die from it, compared with non-smokers.

Many of the new TB cases will be in Africa, the eastern Mediterranean and Southeast Asian regions, according to projections published in the BMJ.

A lung charity said global efforts to fight TB are being undermined by the tobacco industry’s “aggressive promotion” of smoking in some places.

Nearly a fifth of people in the world are smokers; many in countries with high rates of TB where multi-national tobacco companies have expanded their markets.

Smoking is a known risk factor for TB, and may reduce the ability of the lungs to fight off infection.

Dr Sanjay Basu and colleagues from the University of California set out to predict the impact of smoking on future TB rates.

According to their mathematical model, worldwide smoking could lead to 40 million extra deaths from TB from 2010 to 2050.

If current smoking trends continue, the number of new cases of TB will rise by 18 million.

Smoking alone could undermine the worldwide goal of reducing TB mortality by half between 1990 and 2015, researchers said.

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