Lyme disease is caused by a bacterial organism that is transmitted to humans via the bite of an infected tick. Most people bitten by an infected tick develop a characteristic skin rash around the area of the bite. The rash may feel hot to the touch, and vary in size, shape, and color, but it will often have a “bull’s eye” appearance (a red ring with a clear center). However, there are those who will not develop the rash, which makes Lyme disease hard to diagnose because its symptoms and signs mi...

Chronic Fatigue Syndrome (CFS) is the medical name for a condition of extreme and persistent fatigue. To have a diagnosis of chronic fatigue syndrome (CFS), a patient must meet the following two criteria: 1) have severe chronic fatigue for 6 months or longer with other known medical conditions excluded by clinical diagnosis, and 2) at the same time, have four or more of the following symptoms: substantial impairment in short-term memory or concentration; sore throat; tender lymph nodes; muscle p...