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.
Stress is an important factor in most medical conditions, acne included. However, it's important to understand that stress doesn't cause acne it simply makes acne worse. Stress causes an increased release of cortisol, a stress hormone. Cortisol can influence other hormones in your body.