What is a spa and how can it benefit you? A spa, in its most basic form, is simply a place where mineral-rich water (often, seawater or another source of pure water) is used for the purpose of relaxation. Spa enthusiasts claim that a spa helps you de-stress, reduces stress hormones and improves your immune system and overall health. A spa can be very expensive and there are some (legitimate and not-so-legitimate) ways that a spa can abuse the public’s trust in the free flow of natural water. Read on to find out more about the basics of spa treatments and what you can expect when you step into a…