Do humans HAVE to eat meat? Like to be healthy?

Eating meat is unhealthy, it is the cause of premature death from cancer, heart disease, diabetes and obesity. All the nutrients you need can be found in plant based food. People that eat meat are overdosing on protein and poisoning their bodies with fat, cholestrial and secondary vetinary drugs such as hormones. People are addicted to eating meat and they are damaging their health.