Some studies have indicated that these fatty acids have favorable effects on health conditions such as hardening of the arteries and high cholesterol. Your risk from eating contaminated fish cannot be predicted. Nationally, cancer affects about one in every four people by age 70, and is chiefly due to smoking, diet, and hereditary risk factors. If you follow the advisory guidelines, you can minimize you exposure and reduce the risks that are associated with these contaminants. Yes, but it is not recommended.
Risk assessment is based on a lifetime of exposure.
When you eat 12 meals in one month, you get a large dose of contaminants. If you eat one meal per month, you are getting a series of low level doses. Think of it like taking aspirin for a headache. The label recommends taking two tablets every four hours. That's 12 aspirins during the day.