original passage: Heavy metal poisoning from consuming fish oil supplements is highly unlikely, because heavy metals (mercury, lead, nickel, arsenic, and cadmium) selectively bind with protein in the fish flesh rather than accumulate in the oil.
original sentence: Heavy metal poisoning from consuming fish oil supplements is highly unlikely, because heavy metals (mercury, lead, nickel, arsenic, and cadmium) selectively bind with protein in the fish flesh rather than accumulate in the oil.
sentence2: Since heavy-metal toxicity is something that occurs slowly over a lifetime, in even the worst case scenario, could fish-oil supplements still be taken by the elderly without undue worry?
sentence1: Heavy metal poisoning is highly likely if fish-oil supplements are overconsumed in extreme amounts, however, because heavy metals (mercury, lead, nickel, arsenic, and cadmium) that selectively bind with protein in the fish flesh can leach into the fish oil.