Our brains can actually consider physical objects and impose new or different functions on it even if it is not a part of its physical nature, using only our collective minds. This phenomenon is called social reality.
It has an amazing level of influence on our lives, not only on an individual level but the effects can be felt globally. Where we believe a certain stereotype, soon it creates a self-fulling prophecy which perpetuates the stereotype in a vicious cycle.
"It is health that is real wealth and not pieces of gold and silver." - Gandhi
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