10 Ways Your Body Changes When You Start Drinking Enough Water

The research is clear: Staying hydrated is one of the healthiest habits you can adopt. Here are all the ways your body—and brain—get better when you chug, chug, chug.

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You'll have more energy

RossHelen/ShutterstockThe cells throughout your body need water to function, which is why we can all use tips on getting more water into your diet. "Water is a basic need for cellular health," says Ronald Navarro, MD, orthopedic and sport medicine surgeon at Kaiser Permanente South Bay Medical Center in Harbor City, California. "Cells contain water and are surrounded by water. In dehydration, cell membranes become less permeable, hampering the flow of hormones and nutrients into the cell and preventing waste products that cause cell damage from flowing out." When that's happening throughout your body, your energy is sapped, and fatigue can take over, according to a review of hydration research published in the journal Nutrition Review.

How much water do you need to boost energy? Depending on who you ask, the exact amount varies. Dr. Navarro points to the most agreed-upon recommendation of six to eight 8-ounce glasses of water daily. This could change though, depending on the climate you live in and the type of lifestyle you lead. "Some adults may need more or less, depending on their overall health, including if they have certain illnesses, take specific medications and more. It also depends on how much they exercise and the level of intensity, and how hot and dry the weather is," he explains. If you're interested to know how much water your body is hankering for, talk to your primary care doctor.

Your memory will improve

Svitlana-Sokolova/ShutterstockYour brain is hugely dependent on fluid to work properly. All those synapses and neurons need liquid to fire properly. According to research published in the European Journal of Clinical Nutrition, one of the most reliable predictors of decline in memory and mental performance is dehydration. And yet, according to Dr. Navarro, some polls estimate that upwards of 75 percent of Americans suffer from chronic dehydration. And that number worsens in summer: "We see the rate of dehydration increase in the summer and fall when temperatures are higher and perspiration is more pronounced," he says. If you're concerned you're among the dehydrated masses, here are the signs of dehydration.

Your focus will increase

Africa-Studio/ShutterstockEver feel like you have no control over your attention span? Your mind just wanders no matter how hard you try to focus on the task at hand? Drink a big glass of water and watch what happens: According to research published in the journal Nutrients, mild dehydration interferes with brain processing and breaks down the ability to focus. Just like sleep, maintaining a healthy diet, making time to sweat it out in your favorite workout class or log miles on your nearby running path, water is one of the most essential needs of your body. In fact, since we're made up of so much water, it makes sense why we would constantly need it to replenish, cleanse and feed our system.

You'll be stronger and faster

frantic00/ShutterstockEver feel sore during a workout, even though you didn't exercise the day before? You can check out these home remedies for sore muscles, but you should also know that those aches and pains or the difficulty you experience when trying to lift a heavier weight or push through that extra mile can be due to dehydration, and not your lack of strength. Research suggests that even a 2 percent drop in hydration can cause significant losses in strength and motivation while increasing feelings of fatigue. Dr. Navarro says that when we take in the right amount of water for our bodies, our muscles become more relaxed, which increases energy and maximizes our performance.

You'll slim down by eliminating mindless snacking

Tiger-Images/ShutterstockEver find yourself eying the ice cream in your fridge late at night or taking a sampling of your kid's Goldfish, even though you know better? Instead of thinking you have hunger pains, reconsider that you're simply thirsty. Dr. Navarro says that more often than not, people mistake hunger for thirst, and that if you downed some water instead of those junk foods, you would feel just as full. "Proper hydration can serve as an appetite suppressant and help with weight loss or weight management," he notes.

Your digestion becomes reliable

Diana-Rui/ShutterstockThough there's no magical number of times you should move your bowels, it's definitely true that your bowel movements can offer real insight to your health. And if you struggle with consistency and often feel bloated or uncomfortable, you probably need to chug that water bottle ASAP. "People who drink enough water usually have regular bowel movements. Hard bowel movements or constipation can be a sign that you aren't getting enough water," Dr. Navarro says.

Your skin is more radiant

Syda-Productions/ShutterstockEver go for a spa treatment—like a massage or facial—and your therapist makes a point to remind you to drink some water instead of the champagne you're eyeing? That's because skin can benefit greatly from hydration and for some, clear up your skin or make it look younger. (If you're looking for more ways to beautify your skin, try these tips.) "Our skin, the largest organ in our body, relies on water to produce new cells and give us that glow. Our skin also needs water do its job of regulating the body's temperature," Dr. Navarro says. No question: According to research, our skin contains 30 percent water which adds to plumpness and elasticity—vibrancy, in other words.

You'll need fewer calories

JeniFoto/ShutterstockWe're always looking for simple ways to cut calories, right? A new study involving more than 18,000 adults from the University of Illinois found that when people increased their daily water intake by one to three cups (on top of the four they drank on average), they ate less: Their food intake dropped by as much as 205 calories a day. In other words, drink a couple more glasses of water each day and you could shed two pounds a month—no dieting or extra time at the gym required!

According to Dennis Cardone, DO, chief of primary care sports medicine at NYU Langone Orthopedics, drinking water before—and during—meal fills you up faster, displacing the desire and need for additional calories. "Drinking water before and during a meal can decrease appetite and assist in weight loss," he notes. Choosing foods with a high-water content will also help: Many fruits and vegetables have a high water content, so they can provide additional ounces of water without you having to drink anything. Dr. Cardone recommends watermelon, cucumber, tomatoes, grapes and cherries.

You'll run cooler

zeljkodan/Shutterstock"When we exercise, our bodies cool off by sweating," says Dr. Navarro. "As we perspire, we lose necessary body fluids. If we do not replace these fluids, we become dehydrated. This makes it difficult to sweat and cool down, which can result in a heat injury," he explains. In hot weather, it's important you know the signs of heat stroke. If you're looking for easy ways to stay hydrated during exercise, check out this trendy solution from SMITH + STARR. Co-founders Chelsea Alexander and Fallyn Smith, were inspired to create a bag that offers a hydration solution, so they wouldn't have to lug around a water bottle while commuting in their home city, San Francisco, or while going hiking or camping. Their bag, The Conway, is the first ever cross-body handbag that doubles as a hydration pack. It looks like a bag you'd take while running errands or while out with your friends, but it contains a removable water pouch that holds 17 ounces and a tube for easy hydration right from the shoulder strap.

You'll be in a better mood

Svitlana-Sokolova/ShutterstockEven dropping 1-2 percent below optimal hydration can start wrecking your mood, according to research from the University of Connecticut. That's barely low enough to feel thirsty, and yet at that level of dehydration the moods of the women in the study soured and they were more likely to experience headaches and fatigue. So drink up, says Dr. Navarro: If you get tired of drinking good 'ole fashioned H20, consider upping your hydration game by making your 'brew' sparkling or flavored. Water with bubbles offers the same benefits of regular water, and added fruit can make the negative, tasteless sensation of water more interesting.


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