Worried - for about 2 years and up until recently ate 3 portions of tinned tuna a week and 4 portions of other fish. can mercury in fish cause cancer?

Mercury/ cancer: The International Agency for Research on Cancer (IARC) has classified methylmercury as “possibly carcinogenic ” (2 B) . Do not worry as many drugs are 2B"including , phenytoin- anticonvulsant, HCTZ- a diuretic, medroxyprogesterone acetate-a contraceptive. Mercury is more concern for neurologic effects, but would have manifested by now. Do not worry https://seaturtles.org/programs/mercury/

Does not cause Ca: A number of different additives are present in food and drugs where in the latter instance they serve as preservatives. The minor cause of cancer is hereditary, while the major cause is from carcinogens or viruses. The effect of mercury is cumulative so that in diet or in vaccines, the mercury will migrate to neural tissue of brain and may in the long run diminish neural function.