L

Leprosy – Causes, Complications, and Medications.

What is leprosy? Leprosy, also known as Hansen’s disease (HD), is a chronic infectious disease caused by a Mycobacterium (Mycobacterium leprae) affecting especially the skin and marginal nerves. It is characterized by the formation of nodules or macules that enlarge and spread with loss of sensation and eventually paralysis, wasting …

Read More »

Leukemia – History, Causes, Treatment, and Prevention.

Definition Leukemia is a malignancy (cancer) of blood cells. In leukemia, abnormal blood cells are produced in the bone marrow. Usually, it involves the production of abnormal white blood cells the cells responsible for fighting infection. However, the abnormal cells in leukemia do not function in the same way as …

Read More »

Lung Cancer – Timeline, Causes, Treatment, and Prevention.

Definition Lung cancer is a disease in which certain cells in the lungs become abnormal and multiply uncontrollably to form a tumor. Lung cancer may not cause signs or symptoms in its early stages. Some people with this have chest pain, frequent coughing, and blood in the mucus, breathing problems, …

Read More »