They are actually not parasitic in humans, they are symbiotic saprophytes. They actually perform a vital function while living with us. But like everything else in life, balance is essential. Out of balance they are dangerous, or at the very least, painful and harmful.

Brian, stage 4 oral cancer survivor. OCF Founder and Director. The first responsibility of a leader is to define reality. The last is to say thank you. In between, the leader is a servant.