To further research into the various side effects associated with the HUM, it would be of great help if HUM sufferers would complete and send the following survey

How long have you "heard" the hum ? 1 year 2 years 3 years 4 years 5 years or over

Do you find the HUM is louder indoors or outdoors

Do you suffer from any of the following symptoms which you can associate with the HUM

Headaches Insomnia Nausea Fatigue Tension Difficulty concentrating

Pins and needles Heart palpitations Earache Aching muscles Memory loss

Have you ever sustained a back or neck injury or had major surgery

to send your survey click here

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