Answer :
he came to demonstrate the working of a process that was clearly psychological which caused a change in the digestive system.
This finding lead to the discovery on how a change in organisms' psychological condition could influence our normal biological function, such as tendency to become constipated when we're stress, increased response when we're anxious,etc.
This finding lead to the discovery on how a change in organisms' psychological condition could influence our normal biological function, such as tendency to become constipated when we're stress, increased response when we're anxious,etc.