Why Is There Still Religion And Medical Quackery?

The major religions of today began when written communication was rudimentary and well before modern science evolved. It was a period of ignorance and superstition:

The Growth of Knowledge

- - - - - - -

INTELLIGENCE: the ability to acquire and apply knowledge and skills.

KNOWLEDGE: facts, information, and skills acquired by a person through experience or education.

SCIENCE: knowledge about the natural world that is based on facts learned through experiments and observation.

UNDERSTANDING: the capacity for rational thought or inference or discrimination.

IGNORANCE: lack of knowledge or information.

SUPERSTITION: a belief or practice resulting from ignorance, fear of the unknown, trust in magic or chance, or a false conception of causation.

QUACKERY: dishonest practices and claims to have special knowledge and skill in some field, typically medicine.

RELIGION: many definitions, but usually includes belief in spiritual beings/the supernatural/a God.