The power was always in our hands to remain worm free. Somehow we were convinced its now modern times and the doctors had all the answers.
People of all cultures knew to deworm themselves regularly. Even animals, they instinctively knew by the grace of God which herbs to graze and eat to get well.
Jesus was the greatest physician. God gave him that special power so people would listen to his message and gain faith.
Jesus said "physicians heal thyself." People were running around with diseases the physicians were helpless to heal. Leprosy was a terrible plague and they had colonies of lepers.
Jesus gave sight to the blind and cause the deaf man to hear.
Jesus even healed death by touching a man and bringing him back to life after he had been buried for days. Every where he went people followed in droves to hear the word and to be healed.
One woman said "if I could just touch the hem of his garment, I know I would be made whole. One day she was able to get thru the mob to touch his garment and Jesus asked "who touched me"? he could discern that power was drawn from him.