Efficacy and Safety of Omega 3 Fatty Acid Supplements on Heavy Smokers

Inclusion Criteria: * Are between the ages of 55 and 80 years * Are a current or former smoker with a 30 pack-year (e.g. one pack of cigarettes a day for 30 years) smoking history or * Have a greater than 1.51% chance of developing lung cancer in the next six years based on the investigator's risk prediction tool * Have elevation of a marker of inflammation called C-Reactive Protein (CRP) * Are capable of providing informed consent to participate in the study Exclusion Criteria: * Have been previously diagnosed with lung cancer * Have had other non-curatively treated cancer outside the lung. * Have any medical condition, such as severe heart disease (e.g. unstable angina, chronic congestive heart failure), acute or chronic respiratory failure, home oxygen therapy, bleeding disorder, that in the opinion of the investigator could jeopardize your safety during participation in the study or unlikely to benefit from screening due to shortened life-expectancy from the co-existing illnesses * Are currently taking omega 3 fatty acid supplements