New research suggests that omega-3 and omega-6 fatty acids, found in fish oil, may help prevent various cancers. A study of over 250,000 people showed that higher levels of these fatty acids were linked to lower cancer rates. New research suggests that omega-3 and omega-6 fatty acids, found in fish oil, may help prevent various cancers. A study of over 250,000 people showed that higher levels of these fatty acids were linked to lower cancer rates. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle