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.
While heat lightning is really just ordinary lightning from a far away thunderstorm, the typical sound of rumbling thunder is muffled either by long distances or by a blocking, mountainous terrain. The cracking sound of lightning is thunder, which results from the rapid expansion of hot and cold air masses. Another reason no sound accompanies heat lightning is the idea that thunder travels much more slowly than light, and it's unlikely to hear thunder from a distance greater than 10 miles.