Cancer occurs when cells in the body begin to divide uncontrollably and can invade surrounding tissues. These cells may also spread to other parts of the body through the blood and lymph systems—a process known as metastasis.
Dementia is not a specific disease but rather an umbrella term used to describe a range of symptoms associated with a decline in memory, thinking, behavior, and the ability to perform everyday activities.
Chronic Obstructive Pulmonary Disease (COPD) is a progressive lung condition that makes it difficult to breathe. It is an umbrella term that primarily includes emphysema and chronic bronchitis.
