Maybe it's because you have no stress on your joints while you float?
Are you a sun sensitive? I can't get out in the sun without protection or I feel terrible.
Lupus, RA, Fibromyalgia, Glaucoma, Asthma, Hypothyriodism, Sleep Apnea, Depression, Allergies, diabetes, and benign familia tremors
When life throws you lemons....
Pick them up and throw them right back at them! :))