When the tolerance of self-antigens fails, immune cells react against normal cells, resulting in various pathologic conditions called

When tolerance of self-antigens fail, and immune cells react against normal cells, it results in various patholic condition that belong in a group of diseases called autoimmune diseases. Examples of autoimmune diseases include: Graves Disease, Type 1 Dibeates, Multiple Sclerosis and Rheumatoid Arthritis.

Molecules called lipids have long hydrocarbon chains that determine the way they act. they can be fats, oils, or hormones, and even exist in our cell membranes