According to the professors from the University of Western Ontario, Stan van Mind and Gideon Koran,there were present high levels of cortisol in the subjects’ urine, saliva and blood samples for days and hours before the analysis even began.
This study examined the hair strands from 56 subjects who had a heart attack, and those results were compared to hair samples from people who didn’t suffer from a heart attack, but had problems with some other diseases.
SOURCE: www.homehealthyrecipes.com