Can you tell me is stress causing my ongoing illnesses?

Don't know what: Illnesses you have but stress can play a big role in illnesses like headaches, asthma, fibromyalgia, irritable bowel syndrome etc. Anxiety symptoms can include feeling nervous or irritable, muscle tension (especially in neck, shoulders ; back), poor quality or minimal sleep, lack of concentration ; easy fatiguability. Lump in throat or butterfly in stomach sensation. Sometimes the worst thing >.