The human organ system that is most affected by toxic levels of mercury is the central nervous system and also the kidneys.
Mercury may have toxic effects on the nervous, digestive and immune systems, and on lungs, kidneys, skin and eyes.
The fish that has the lowest mercury are anchovies, Atlantic mackerel, catfish, clams, crab, crawfish, flounder, haddock, mullet, oysters, plaice, pollock, salmon.
The healthiest fish is Salmon.
Other healthiest fish are Tuna, Haddock, Sardines, Crab, Cod, Trout and Mackerel.
The healthiest meat is liver such as beef liver.
Beef liver is the healthiest of the meats that you can eat although other liver meat is healthy as well.
The other healthiest meats are.
Sirloin Steak.
Rotisserie Chicken & Turkey.
Chicken Thigh.
Pork Chop.
Canned Fish.
Humans don't need meat to survive although eating meat does help keep you healthy when you eat the meat in moderation.
However too much meat can be unhealthy but you can survive off of fruits and vegetables and not need meat to eat..
Humans can easily survive without eating meat and can survive off other foods such as vegetables, cheeses, fruits etc.
Meat is nutritious but you don't have to have it but meat does fill you up better than just vegetables, fruits etc.
Meat and poultry are great sources of protein.
They also provide lots of other nutrients your body needs, like iodine, iron, zinc, vitamins (especially B12) and essential fatty acids.
So it's a good idea to eat meat and poultry every week as part of your balanced diet.
Although many humans choose to eat both plants and meat, earning us the dubious title of “omnivore,” we're anatomically herbivorous.
The good news is that if you want to eat like our ancestors, you still can: Nuts, vegetables, fruit, and legumes are the basis of a healthy vegan lifestyle.
When separated from the rest, vegans had a 15% lower risk of dying prematurely from all causes, indicating that a vegan diet may indeed help people live longer than those who adhere to vegetarian or omnivorous eating patterns.
And people who don't eat meat vegetarians generally eat fewer calories and less fat, weigh less, and have a lower risk of heart disease than non vegetarians do.
Even reducing meat intake has a protective effect.