Sentence:  Kids are force-fed the <WSD>Kool-Aid</WSD> while their skulls are still soft. They have no concept of rational thought and their parents drag them to a church and force them to learn mythology disguised as religious doctrine and try to sell it as fact. 
Meaning of the word marked with <WSD> tags:  A fad or ideology that is adopted unquestioningly, ignoring its hidden dangers or disadvantages.