Fish oil is generally safe but can cause side effects such as bad breath, diarrhea, unpleasant aftertaste, heartburn, and reduced immune function.

Recent findings from the international journal of cancer shed light on the complex relationship between polyunsaturated fatty acids and cancer risk across multiple types. Study: Associations of plasma ...

Share on Pinterest Research suggests that the omega-3 and omega-6 fatty acids in fish oil may help prevent certain types of cancer. Tatyana Lavrova/Stocksy Past studies show that omega-3 and omega-6 ...

Share on Pinterest Omega-3 and omega-6 fatty acids may not be as anti-inflammatory as believed, a new study suggests. Maria Korneeva/Getty Images Unsaturated fats, such as those found in oily fish, ...