Could Electrolyte imbalance be a factor for health problems

The other day, I bought a few sachets of ORS as I exercise a lot. I particularly like to have it in summers and its a great idea coz when you sweat a lot, your body is dehydrated.

Anyways, I went ahead and googled about function of electrolyte in the body and this is what I found. Its amazing...

An Electrolyte Imbalances can cause havoc in your body.

Electrolyte are essential to the production of the body's "natural electricity" that ensures healthy teeth, joints and bones, nerve and muscle impulses, kidneys and heart, blood sugar levels and the delivery of oxygen to the cells.