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.
This is the reason why stress tends to make psoriasis, eczema, herpes, and other skin disease to reoccur. After running some tests to eliminate the alternatives, your doctor may help you determine that your rash is caused by stress, although it is difficult for a doctor to tell the exact cause of any rash.