At Significantly Higher Risk 
• Rare before age 40, the incidence peaks around age 60.
• Smokers of over two packs a day. 
• Over 10 years' exposure to chemicals, particularly petroleum compounds and solvents.
• Sufferers of chronic inflammation of the pancreas (chronic pancreatitis).
•  Iron overload. 

At Slightly Higher Risk 
• Some association with alcohol consumption.
• History of diabetes, particularly in women.
• Men outnumber women by a ratio of 3 to 1.