Almost anything severe enough to keep you out of work. Some of the most common we see are:

• Spinal disorders, including herniated cervical or lumbar discs, spinal stenosis, arthritis, osteoporosis, compression fractures
• Rheumatoid arthritis, lupus, fybromyalgia, chronic fatigue syndrome, HIV, AIDS
• Amputations, multiple fractures requiring surgery, reflex sympathetic dystrophy, chronic regional pain disorder
• Decreased vision or hearing, vertigo, tinnitus, stuttering
• Asthma, emphysema, asbestosis, sleep apnea, chronic obstructive pulmonary disease
• Heart attacks, angina, bypass surgery, congestive heart failure, enlarged heart, aneurysm, valve disease, heart transplant
• Chronic liver disease, cirrhosis, hepititus, ascites, colitis, Crohn's disease, diverticulosis, pancreatitis
• Kidney disease, anemia, leukemia, polycythemia, lymphoma, myeloma, sickle cell anemia
• Sklerodema, burns, psoriasis, atopic dermatitis, melanoma, hydradenitis, skin cancer
• Diabetes, obesity, neuropathy, retinopathy, thyroid diseases, peripheral vascular disease, high blood pressure
• Seizure disorder (epilepsy), multiple sclerosis, Parkinson's disease, myasthenia gravis, brain tumor, ALS, alzheimers
• Depression, anxiety, bi-polar disorder, post-traumatic stress disorder (PTSD), ADHD, ADD, schizophrenia
• Substance abuse, alcoholism, prescription pain addiction, personality disorders, mood disorders
• Cancer (breast, bone, lung, abdominal, liver, pancreatic, testicle, ovarian, colon, skin, mouth, prostate, kidney)