By Erin Skrypek When most of us head off on a spa vacation, we prepare ourselves for a couple weeks of rest and relaxation amid aromatherapy infused airs. We look forward to soothing massages, steam baths, fresh fruit, candles, waterfalls and bikini-clad bodies strung alongside the beach or pool. We usually don’t think about packing a spare set of medical records, stinking mud packs, consuming putrid water elixirs, or being surrounded by fellow guests who happen to be 50+ and afflicted by one ailment or another.