If you sweat a lot during the hot summer season, you need to replenish water to quench your thirst. However, experts advise that sweat contains not only moisture but also a small amount of electrolytes such as salt, so it is recommended to consume appropriate food. According to the medical community on the 11th, when moisture and electrolytes are lost, the electrolyte balance in the body collapses, and in severe cases, blood flow to the kidneys decreases due to dehydration, which can lead to acute kidney injury in which kidney function rapidly declines, so caution is needed. This is why it is emphasized that ionic beverages and sports drinks can replenish moisture and electrolytes. Geun-ho Kim, a professor of nephrology at Ewha Womans University Seoul Hospital, said, “During the hot summer months, the habit of drinking enough water before feeling thirsty is one of the preventive measures to protect kidney health.” He added, “Children and the elderly who are vulnerable to dehydration, and people with chronic diseases such as chronic kidney disease, diabetes, and high blood pressure, should pay more attention to proper water intake as well as kidney health management.” Dehydration appears in two ways depending on the degree. moisture deficiency in the body