Diseases

What is HIV Disease and AIDS? HIV disease is due to infection with HIV, a retrovirus. Commonly, HIV is passed on through sexual relations with an infected person, exposure to contaminated blood, or from mother to child during pregnancy, childbirth, or breastfeeding....

What Is Degenerative Disk Disease? Your spine is made up of 33 vertebrae that are stacked on top of one another. Between each of these vertebrae is a rubbery piece of cartilage called an "intervertebral disk." (See images: Degenerative Disk Disease - Cervical |...