Mercury in fish seems to raise blood pressure in spite of nutrients

The negative impact of high amounts of methylmercury in seafood on blood pressure may outweigh the protective effects of fish nutrients, researchers report in Hypertension: Journal of the American Heart Association. Researchers found that even when blood pressure was within the normal range and numerous other factors, including omega-3 fatty acids (essential fats that your body needs to function properly but does not make) and selenium (a dietary essential mineral) were carefully controlled for, the environmental mercury was associated with higher blood pressure and pulse pressure among Nunavik Inuit adults in a recent study - AHA