People who quit smoking, for example, do not first demand scientific proof that if they continue smoking, they will without fail develop lung cancer 30 or 40 years later. They stop because they recognize the risk and want to minimize or eliminate it.
वे धूम्रपान छोड़ देते हैं क्योंकि वे देख सकते हैं कि जोखिम है और उसे कम करना अथवा दूर करना चाहते हैं ।