question: Hi , now recently I become tensed without no reason..I always think about any particular problem without no reason all day long.. suppose I think that my brain is not working normally or i have a breath problem. .. but actually this is not happened.. i m very much depressed with my problem ...This problem started at class 10 , at exam time I feeled very nervous &anxious but I read the subject good but I always fear about my exam very badly... Now I am in 3rd year , what should I do?