But they often have symptoms of some autoimmune disease, like being tired all the time and pain. 1  CFS can cause you to be very tired, have trouble concentrating, feel weak, and have muscle pain. 2  Symptoms of CFS come and go. 3  The cause of CFS is not known.
Best Answer: A sty is a noncontagious infection of the eyelash follicle, it can be caused by effects of medication, hyperventilation, stress, anxiety, drinking alcohol,Styes are very common and are not a serious problem. Most will go away on their own. i really hope this helps.
1 An injury to the skin can cause psoriasis patches to form anywhere on the body, including the site of the injury. This includes injuries to your nails or nearby skin while trimming your nails.  Stress and anxiety. Stress can cause psoriasis to appear suddenly (flare) or can make symptoms worse.