(INDEPENDENT) — Two in every three smokers are killed by their habit, new research has found.

A study of 200,000 people in Australia – smokers and non-smokers over the age of 45 – has found that more people die from smoking tobacco than previously thought.

It was believed that around half of long-term smokers are killed by smoking-related illnesses such as cancer and heart disease but the figure now stands at around 67%.

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