Here are some key points about neuropathy. More detail and supporting information is in the main article. 1  Neuropathy is a common condition. 2  Neuropathy is a complication of a number of different medical conditions. 3  Three types of nerve can be involved; autonomic nerves, motor nerves and sensory nerves. 4  Sometimes single nerves, or nerve sets are affected.
If you never remove the scale from a water heater tank the clanking or cracking noise heard at the water heater during operation may eventually cease when the scale solidifies, no longer trapping hot water and interfering with its movement upwards in the water tank.
Hearing your water heater making such a loud knocking/banging noise. Especially in the winter time where the thought of being without hot water sends shivers down your spine. Worry not! The problem is most likely that your water heater has sediment built up at the bottom of its tank.