Chicken is healthier than beef because chicken is lower in fat than beef and also higher in protein.
Beef contains less protein and is higher in fat which makes the beef less healthy than chicken.
Pork is considered bad for you because there's a risk of infection of parasitic roundworms called Trichinella.
Although when cooked fully the parasites should be killed off.
Pork may raise your cholesterol levels as well when eaten in excess but when eaten in moderation pork is considered healthy.
When you don't eat any red meat or pork you're called a pollotarian.
Pollotarians don't eat red meat or pork products but they can and usually do eat poultry.
Humans don't need red meat or any meat to survive although eating meat including red 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 don't need meat to survive.
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.