Original sentence: A common belief in cultures worldwide is that witches may use forms of sympathetic magic.It is commonly believed that witches use objects, words, and gestures to use their powers, or that they simply have an innate ability to do so.They tend to use something from their target's body to work magic on them; for example hair, nail clippings, clothing, or bodily waste.While most cultures believe witchcraft to be something deliberately used, some Indigenous peoples in Africa and Melanesia believe witches have a substance or an evil spirit in their bodies that grants them power which may act on its own while the witch is sleeping or unaware
Edited sentence: A common belief in cultures worldwide is that witches tend to use something from their target's body to work magic against them; for example hair, nail clippings, clothing, or bodily waste.It is commonly believed that witches use objects, words and gestures to cause supernatural harm, or that they simply have an innate power to do so.While most cultures believe witchcraft to be something deliberate, some Indigenous peoples in Africa and Melanesia believe witches have a substance or an evil spirit in their bodies that drives them to do harm, which may act on its own while the witch is sleeping or unaware