FANATICISM

is observed across modern society and the global stage as an excessive and usually irrational zeal or devotion towards a specific cause or belief; an example could be terrorist bombings by various groups.

FANATICISM: “Some individuals will have a fanatical (fanaticism), or excessive and irrational devotion towards a specific item or concept such as trains (train spotters) for example.”
 ZYGOTE INTRAFALLOPIAN TRANSFER (ZIFT)
How Do Police Deal With Stress

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