1. It helps create saliva
Water is a main component of saliva. Saliva also includes small amounts of electrolytes, mucus, and enzymes. It’s essential for breaking down solid food and keeping your mouth healthy.
Your body generally produces enough saliva with regular fluid intake. However, your saliva production may decrease as a result of age or certain medications or therapies.
If your mouth is drier than usual and increasing your water intake isn’t helping, see your doctor.
2. It regulates your body temperature
Staying hydrated is crucial to maintaining your body temperature. Your body loses water through sweat during physical activity and in hot environments.
Your sweat keeps your body cool, but your body temperature will rise if you don’t replenish the water you lose. That’s because your body loses electrolytes and plasma when it’s dehydrated.
If you’re sweating more than usual, make sure you drink plenty of water to avoid dehydration.
3. It protects your tissues, spinal cord, and joints
Water consumption helps lubricate and cushion your joints, spinal cord, and tissues. This will help you enjoy physical activity and lessen discomfort caused by conditions like arthritis.
4. It helps excrete waste through perspiration, urination, and defecation
Your body uses water to sweat, urinate, and have bowel movements.
Sweat regulates body temperature when you’re exercising or in warm temperatures. You need water to replenish the lost fluid from sweat.
You also need enough water in your system to have healthy stool and avoid constipation.
Your kidneys are also important for filtering out waste through urination. Adequate water intake helps your kidneys work more efficiently and helps to prevent kidney stones.
5. It helps maximize physical performance
Drinking plenty of water during physical activity is essential. Athletes may perspire up to 6 to 10 percentTrusted Source of body weight during physical activity.
Hydration also affects your strength, power, and endurance.
You may be more susceptible to the effects of dehydration if you’re participating in endurance training or high-intensity sports such as basketball.
Negative effects of exercise in the heat without enough water can include serious medical conditions, like decreased blood pressure and hyperthermia. Extreme dehydration can cause seizures and even death.
6. It helps prevent constipation
Eating fiber isn’t the only way to prevent constipation. It’s also important to maintain your water intake so your bowel movements contain enough water.
If you don’t consume enough water, magnesium, and fiber, you may be more likely to experience constipation.
If you’re already constipated, you may find that drinking carbonated water Trusted Source as well as plain water can help ease your symptoms.
7. It aids in digestion
Contrary to what some believe, experts confirm drinking water before, during, and after a meal will help your body break down the food you eat more easily. This will help you digest food more effectively and get the most out of your meals.
Research shows Trusted Source the body adapts to changes in the consistency of food and stomach contents, whether more solid or more liquid.
8. It helps with nutrient absorption
In addition to helping with food breakdown, water also helps dissolve vitamins, minerals, and other nutrients from your food. It then delivers these vitamin components to the rest of your body for use.
9. It helps you lose weight
Studies have linked body fat and weight loss with drinking water in both overweight girls Trusted Source and women. Drinking more water while dieting and exercising may just help you lose extra pounds.
10. It improves blood oxygen circulation
Water carries helpful nutrients and oxygen to your entire body. Reaching your daily water intake will improve your circulation and have a positive impact on your overall health.
11. It helps fight off illness
Drinking enough water can help prevent certain medical conditions Trusted Source. These include:
constipation
kidney stones
exercise-induced asthma
urinary tract infection
hypertension
Water also helps you absorb important vitamins, minerals, and nutrients from your food, which will increase your chances of staying healthy.
12. It helps boost energy
Drinking water may activate your metabolism. A boost in metabolism has been associated with a positive impact on energy level.
One study found that drinking 500 milliliters of water boosted the metabolic rate by 30 percent in both men and women. These effects appeared to last over an hour.
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