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.
Sediment can interfere with burner efficiency in a gas water heater and can cause cracking and popping noises during heating cycles. Depending on your water source and the mineral content, both gas and electric water heaters should be flushed of sediment every 1-2 years to ensure optimal performance.