Kidneys
A potassium deficiency can lead to serious problems and information can be found on any large medical site on the Internet. Enter the term potassium deficiency on the site and you fill find all the info you need.
Cramping is definitely linked to potassium deficiency, in the fact that your muscles and bones are causing you to have your cramps. When you don't have enough potassium, it causes problems with your bones and muscles.
Calcium
A deficiency of insulin causes diabetes mellitus.
Magnesium deficiency can cause muscle cramping. Potassium deficiency can, as well. These are minerals, not vitamins.
Potassium deficiency is one of the main nutritional disorders in plants. You need to change your soil as soon as possible to prevent your plant from dying.
Potassium deficiency is a very dangerous condition. Symptoms include muscle cramps, fatigue, and even dangerous arrhythmias. Consult with your doctor if you think you may be experiencing potassium deficiency.
zinc
potassium
Eat more bananas, as you may be experiencing symptoms of a potassium deficiency. Potatoes are also high in potassium.
If you experience excessive fluid loss, through vomiting, diarrhea, or sweating, or if you take certain medications, you may be at risk for potassium deficiency. In addition, a diet that is high in sodium and low in potassium can negatively affect potassium status. The Standard American Diet (SAD), which is high in sodium-containing processed foods and low in fruits and vegetables, contains about two times more sodium than potassium. Many health experts recommend taking in at least five times more potassium than sodium. The symptoms of potassium deficiency include muscle weakness, confusion, irritability, fatigue, and heart disturbances. Athletes with low potassium stores may tire more easily during exercise, as potassium deficiency causes a decrease in glycogen (the fuel used by exercising muscles) storage.
Drinking too much soda in and of itself cannot lead to a potassium deficiency, but too much of it is bad for your health and can throw many things off balance. She more than likely suggested it to improve your overall health, not specifically your potassium.