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Yet another reason to quit smoking.

New research published in the 聽has found that one in five future pancreatic cancers, or almost 22%, will be聽attributed聽to smoking 鈥� especially in men.聽

Pancreatic cancer is the fourth-leading cause of cancer-related death in Australian men and the fifth-leading cause in women, with a 5-year survival rate of under 10%.

Quitting smoking sooner rather than later can affect these outcomes, as pancreatic cancer remains a risk for up to 15 years after stopping smoking.

Because pancreatic cancer presents late, when the disease is at an advanced stage, 鈥減rimary prevention is the best control strategy鈥�, said the authors, led by Dr Maarit Laaksonen of聽.

This study is the first to attempt to estimate the future pancreatic cancer burden attributable to tobacco smoking in Australia. The authors analysed data from 365,084 adults from Australian cohort studies linked to national cancer and death registries to identify cases of pancreatic cancer and deaths.

There were 604 incident cases of pancreatic cancer during the first 10 years of follow-up. Current and recent smoking explained 21.7% and current smoking alone explained 15.3% of future pancreatic cancer burden (5500 cases over the next 10 years).

鈥淭his proportion of the burden would be avoidable over 25 years were current smokers to quit and there were no new smokers, as pancreatic cancer risk remains elevated for 15 years after stopping smoking,鈥� the authors wrote.

They also found that the burden attributable to current smoking was greater for men (23.9%) than for women (7.2%) and for those under 65 (19.0%) than for older people (6.6%). There were no independent relationships between body mass index or alcohol consumption and pancreatic cancer. Former smokers who had quit less than 15 years ago were at higher risk of pancreatic cancer than never smokers, but not those who had quit more than 15 years ago.

鈥淲e estimate that 21.7% of future pancreatic cancers in Australia are attributable to current and recent smoking,鈥� Laaksonen and colleagues wrote. 鈥淭he preventable burden attributable to current smoking is 15.3% of all cases, or 5500 cases over the next 10 years; the corresponding figures for lung cancers are 53.7% (74 500 cases) 10 and for colorectal cancers 3.9% (7100 cases).

鈥淩educing the uptake and prevalence of smoking in Australia further will substantially reduce the future burden of pancreatic cancer, especially among men,鈥� they concluded.

Image credit: 漏stock.adobe.com/au/vchalup