The loss of electrolytes such as sodium and potassium through sweat
can lead to muscle cramps, nausea, vomiting and even death. Electrolytes
are minerals (sodium, potassium, calcium, magnesium, and chloride)
which send messages to nerves and muscles throughout the body, and are
involved with muscle contraction and relaxation during exercise, so that
an imbalance can impact the actual contraction of the muscle itself.