What is vitamin B12 deficiency? Vitamin B12 deficiency refers to low levels of Vitamin B12 in the body. Find our complete video library only on Osmosis Prime: Hundreds of thousands of current & future clinicians learn by Osmosis. We have…

What is the immune system? The immune system is made up of organs, tissues, cells, and molecules that all work together to generate an immune response that protects us from microorganisms, removes toxins, and destroys tumor cells. Find our complete…

What are HIV & AIDS? HIV, or human immunodeficiency virus, is a type of virus that infects human immune cells. Over time, immune cells are lost, which weakens the immune system and allows patients to be infected by other viruses…