What, How and Why of Cancer

Cancer is not just one disease, but a family of diseases that share a common problem - when

some cells in your body start growing out of control.

To understand this, let’s think of the human body as a big city.

The cells are the citizens of this city.

Each citizen (cell) has a job, a set of rules, and a schedule for when to work, when to rest, and when to retire (die).

Normally, cells:

- Grow when the body needs them (for example, to heal a wound).

- Divide into new cells when old ones wear out.

- Die when they are too old or damaged (a natural process called cell death).

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