In the old days, especially in the Philippines the use of hands to relieve an aching head, back or the whole body was a common practice. In our own native tongue, the one performing the healing massage is called "hilot or manghihilot".
Me and my siblings grew up with few of them. Whenever we had fever that does not heal within a few days, we will be brought to them and we will be given a back massage. And the next day we will be up and about. These people probably doesn't have the scientific knowledge or the education needed to perform the act like someone who does, but they knew how it is done through their many years of practice.
What I have become....
I have earned their trust and respect and vice versa. They had so much belief in me and in the healing benefits of massage.