Role of electrolytes in preventing dehydration

We all know that staying hydrated is important to prevent dehydration. But did you know that just drinking water alone is not enough? Electrolytes play a crucial role in preventing dehydration, maintaining fluid balance, and supporting various body functions.

Electrolytes are minerals that dissolve in water and carry an electric charge. These include sodium, potassium, calcium, and magnesium. Although the body needs them in small amounts, their functions are extremely important.

During summer, the risk of dehydration increases because high temperatures cause the body to lose water and electrolytes quickly through sweat. Even mild dehydration; losing about 2% of body weight in fluids, can reduce energy levels, cause headaches, and impair concentration.

Signs of electrolyte imbalance

1. Muscle cramps and weakness; especially due to low potassium and magnesium levels. This can also affect daily activities and exercise capacity.

2. Fatigue and dizziness

3. Nausea and vomiting

4. Irregular heartbeat

5.Numbness or tingling in hands, feet, or face; particularly when potassium levels are low

Why electrolytes are important in hot weather

In hot conditions, the body sweats more to regulate temperature. While sweating helps cool the body, it also leads to the loss of fluids and electrolytes, reducing the body's ability to retain water. This can worsen symptoms like fatigue, dizziness, headaches, and dehydration.

Maintaining proper electrolyte balance is therefore essential. Electrolytes help regulate the amount of water inside and outside cells and prevent dehydration. They also help reduce the risk of heatstroke. However, if symptoms become severe, it's important to consult a doctor and consider electrolyte testing.

Foods that help maintain electrolyte balance

Banana: Rich in potassium; helps maintain fluid balance, nerve function, and muscle contraction

Coconut water: Contains potassium, sodium, magnesium, and calcium; an excellent natural hydrating drink with low calories and sugar

Watermelon: Provides potassium and magnesium; supports hydration and muscle function

Orange: A good source of potassium, calcium, magnesium, vitamin C, fiber, and antioxidants

Yogurt: Contains calcium, potassium, and magnesium; beneficial for bone health, muscle function, and hydration

Spinach: A leafy green rich in potassium, magnesium, and calcium; supports heart, nerve, and hydration functions

Tomato: Contains potassium, magnesium, calcium, and antioxidants like lycopene, along with vitamins A and C

Foods to avoid

1. Sugary drinks: Avoid sodas and energy drinks, as high sugar content can worsen dehydration. Opt for herbal teas or fresh fruit juices instead

2. Heavy and oily foods: Fried foods, burgers, and creamy dishes can cause sluggishness and digestive issues in hot weather. Choose lighter meals like salads and lean proteins

3. Processed and packaged foods: Chips, cookies, and candies often contain unhealthy fats, sugar, and preservatives that can harm health

4. Spicy foods: Can increase body temperature and lead to more sweating

Lina Akhter is a nutritionist at Rayan Health Care Hospital & Research Center, Dinajpur.

Disclaimer: The views and opinions expressed in this article are those of the author and do not necessarily reflect the opinions and views of The Business Standard.