If you do chances are good that the ârotten eggâ smell or sulfurous smell is caused by anaerobic bacteria setting up quarters in the magnesium and aluminum elements of your water heater, creating gas.
Reference from A.D.A.M. Neurological deficits - focal. A focal neurologic problem can affect any of these functions: Movement changes including paralysis, weakness, loss of muscle control, increased muscle tone, loss of muscle tone, or movements a person cannot control (involuntary movements, such as tremor)
Perceived weakness (or non-neuromuscular) describes a condition where a person feels more effort than normal is required to exert a given amount of force but actual muscle strength is normal, for example chronic fatigue syndrome.