Rheumatoid arthritis (RA) is an autoimmune disease that causes chronic inflammation of the joints. Autoimmune diseases are illnesses that occur when the body's tissues are mistakenly attacked by their own immune system.
What role did the bison or buffalo play in the culture of the Plains Indians? The bison were an important source of fur, food, and shelter for the Plains Indians. They used every part of the animals they killed. Bison were also an important part of their culture.
Bison are raised on ranches or farms, where they graze for their food (that is, theyâre grass-fed). Regulations and industry standards donât allow the use of hormones or routine antibiotics, which are often given as growth promoters to cattle.