I have only recently realized that most of my problems came from polyester! Tremendous muscle cramps, flulike body aches, loss of concentration (brain fog as I call it), tiredness, crankiness, swelling, water retention (making weightloss difficult), joint pains, it felt like hives inside the body not at skin level... For years I thought it was milk and gluten, but I could never understand why alot of the symptoms would only start at night after I had laid down. I repeatedly told doctors, the diagnosis started with restless leg syndrome, fibramyalgia, chronic fatigue syndrome, irritable bowel syndrome.... etc etc a never ending saga. I am now 50 and finally conciencious that its the polyester!!! The quality of my live has changed dramatically since I avoid socks, pajamas, jeans, clothes, and ESPECIALLY bed sheets that have even an inkling of polyester. 100% cotton doesn't necessarily mean 100%... sometimes they use a finishing or some sort of treatment to soften it which also ...