1. Religions involve belief in divine or supernatural beings that are worshipped and obeyed as creators and rulers of the universe. Religions are expressed through conduct, rituals, and religious groups like Christianity, Buddhism, and Islam. 2. Sects are religious groups that have broken away from larger established churches, while cults involve systems of worship around charismatic leaders and unorthodox or extremist beliefs and practices that psychologically coerce members. 3. Being involved in a cult can have negative effects on people like loss of free will, diminished intellectual abilities, and physical and mental health issues.