Chronic Lyme disease, associated with tick-borne bacteria, is characterized by fatigue, sleep impairment, cognitive dysfunction, pain, depression and post-exertional malaise. It affects 1.9 million Americans
Fibromyalgia is characterized by chronic widespread pain at multiple tender points, fatigue, muscle weakness, joint stiffness, mood disorders, cognitive dysfunction and insomnia. It can be triggered by infection, physical trauma, whiplash, vaccinations, chemicals, post-surgery and emotional stress. It affects 4-10 million Americans.
Post-traumatic stress disorder is triggered by exposure to a traumatic event with the potential for, or actual occurrence of, grave physical harm. It is characterized by intrusive memories (flashbacks, nightmares), changes in emotional reactions (avoidance, negative thoughts and moods), hyper-arousal, hyper-vigilance, sleep disturbances and cognitive difficulties. It affects 10 million Americans.
Multiple chemical sensitivities is thought to be triggered by chemical exposure. Its symptoms can include headache, fatigue, dizziness, nausea, congestion, itching, sneezing, sore throat, chest pain, changes in heart rhythm, breathing problems, muscle pain or stiffness, skin rash, diarrhea, bloating, gas, confusion, trouble concentrating, memory problems, and mood changes. It affects 25 million Americans.
