when the chemistry firm produces a new medicine before they drive the drug to the market they use several test one of which is called placebo test. a group of patients suffering from the same illness are being tested. half of them are given the real medicine while the other half of them, they are called the placebo group are given fake medicine, which is nothing but sugar. all of them thinks that they are given real medicine. if there is sufficient difference between the placebo group and the rest in terms of the cure of the illness the drug is supplied to the market. else if they are all similarly cured the drug is said to have a placeboEffect, and not derived to the market.
this simple procedure sufficiently tells us that sometimes it is our beliefs that cure us rather than the chemistry we are filled with :))))
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