Science Series

Leprosy, also known as Hansen’s disease, is a chronic infection caused by bacteria called Mycobacterium leprae. This bacteria multiplies very slowly and the incubation period can take a number of years…

Breast cancer is a group of diseases in which cells in breast tissue change and divide uncontrollably, typically resulting in a lump or mass. Breast cancer can begin in different areas of the breast, such as the ducts, lobules, and the tissue in between.

Leishmaniasis is a parasitic disease that is found in parts of the tropics, subtropics, and southern Europe. It is caused by infection with Leishmania parasites, which are spread by the bite of infected sand flies…

Solid tumors are an abnormal mass of tissue that usually does not contain cysts or liquid areas. These may be benign (not cancerous) or malignant (cancerous). Different types of solid tumors are named for the type of cells that form them. Examples of solid tumors are sarcomas, carcinomas, and lymphomas.

The human immunodeficiency virus (HIV) can lead to acquired immunodeficiency syndrome or AIDS if not treated. Unlike some other viruses, the human body can’t get rid of HIV completely, even with treatment. So once you get HIV, you have it for life…