Explanation and Causes:
Pancreatitis can come in two forms. It can be diagnosed as chronic or acute. Acute usually results from a one time injury or illness while chronic stems from a constant irritant that irreparably damages the pancreas. Smoking or alcohol would constitute cause of chronic pancreatitis.
The pancreas is located [...]

Explanation and Causes:
Like most broken bones, broken noses have differing levels of degree and severity. The cartilage that sits between each nostril is called the septum. More severe fractures happen when the septum of the nose becomes separated. Under such conditions medical attention should be sought. Many fractured noses [...]

Explanation and Causes:
Gangrene is a condition that is characterized by the death of an organ or body tissue. It is a very serious condition that requires immediate medical attention.
There are 3 types of Gangrene:

Dry Gangrene
Wet Gangrene
Gas Gangrene

All three of these can be caused by:

Serious injury
Diabetes
Blood vessel disease such arteriosclerosis
Surgery
Infection

Symptoms:
General symptoms [...]