Hadad hasn't been feeling well lately, but he can't put his finger on exactly what is wrong. He feels run down, has body aches, and even seems to be losing more hair than normal in the shower. After running some routine tests, the doctor said he doesn't see anything wrong and suggests that maybe it is caused by stress. Hadad worries that there is something physically wrong, and he doesn't feel these symptoms are stress related. What can he do