Electrolytes are minerals such as sodium, potassium, calcium, and magnesium that play a key role in maintaining fluid balance, nerve function, muscle contractions, and hydration status. During exercise, electrolyte losses through sweat can increase, especially in hot and humid conditions, leading to dehydration and impaired performance. Replenishing electrolytes through food and beverages, particularly those containing sodium and potassium, can help maintain proper hydration and electrolyte balance during and after physical activity.
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