Here is my list of advantages:
Advantages
Relaxing
Effective
Can be used at any age.
You do not have to disrobe.
Cost effective
Can be perform as self help.
Helps your feet and your body.
Pays attention to a long neglected part of your body.
Green practice
Does not require expensive equipment.
These are other advantages I thought after I quickly wrote the first set.
Can be a bond between people.
Has an impact on the mind as well as the body.
Has been a lifesaver to some.
Often works even if a person doesn't believe in it.
The tools of the trade are always at your fingertips.
Can be a pure comfort at times.
Addresses problems such as stress which medicine has trouble addressing.
A study which is very interesting and can be lifelong.
It gives benefits to both the receiver and the giver.