Imagine the Effect of the Life Force....
...On a much younger, healthier human? Attention Deficit Hyperactivity Disorder (ADHD) on a very considerable scale I think
Seriously though, if it can cure the ails of senior citizens - arthritis, rheumatism, erectile dysfunction (sorry but this was more than simply hinted at in the film!!), cancer and various other ailments/disease then it could have been quite dramatic to witness the effect it could have had on a lithe and fit young person.
"Has anyone seen my wife?" - Columbo