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Chapter 1: What are the dangers of dehydration during summer?
Hey there, welcome to Paging Dr. Gupta. Thank you so much for being here. I love hearing your questions, hearing what's on your mind. It is officially summer. And before you head out into the sun, I want to remind you that heat can be dangerous. In fact, here's something that surprises a lot of people. Extreme heat is in fact the number one weather-related killer in the United States every year.
But if you take precautions, you pay attention, you should be just fine. And that's what we want to talk about today. Now, one of the best things you can do is to really focus on your hydration. But there's a lot that goes into that. My producer Jennifer is here to tell me what listeners are asking about today.
Hi, Sanjay. So we have a question from a soccer fan who saw that FIFA has introduced mandatory water breaks at the World Cup this year. Now, this listener says he's heard of rules of thumb like drink half of your body weight in ounces or even eight glasses a day. But he wants to know if that's still the best guidance. And he also wants to know about electrolytes.
Okay, it's a great question. It's an important question, especially this time of year. Between sweat and overhydration, the answer is more complicated than just drink lots of water. I'll explain right after this short break. Welcome back to Paging Dr. Gupta. So let's start with the basics. Why is water so important? Well, as a starting point, our bodies are made up of around 60% water.
Okay, so just keep that in the back of your mind. That helps regulate your body temperature, helps carry essential nutrients and hormones all over your body, even helps cushion your organs. Now, even if you're a little bit dehydrated, your heart has to essentially pump harder and faster. And what also happens is that your other organs, they start to slow down. That includes your brain.
That can lead to headaches. That can include your gut, which can lead to nausea. All that is happening sort of simultaneously. Now, the guidance that you've often heard is that you should drink eight glasses of water a day, and that certainly won't hurt. But you don't have to think of it quite like that. In fact, instead of thinking input, think output.
But I always try to shift the narrative that it's more about the color of your urine than actually the amount. It's a good place to start, but it's not the end all be all. The color of your urine should be a clear, clear yellow where you can kind of see through it if you were holding it in front of it on a glass.
If your urine is darker, then you're probably not drinking enough water. That's Dr. Jamin Brombat. He's a urologist and a robotic surgeon with Orlando Health. He's also an assistant professor at the University of Central Florida's College of Medicine.
So not only do you need your essential amount of water every single day for your body to function and run, but you also need to be replacing what you're losing. So whether you're losing it over a one-hour run or whether you're losing it working outside for eight hours, you have to find ways to replace what you're losing to keep yourself in balance.
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Chapter 2: What hydration strategies should athletes consider?
Now one thing to keep in mind is that replenishing your reserves does not all have to be done by drinking water. About 20% of your daily fluid intake will come from food, fruits and vegetables. Some of your favorites, 90% or more water by weight. cantaloupe, strawberries, cucumbers, squash, watermelon. Caffeinated drinks, they can also count.
The misconception sometimes is because they increase the need to urinate, which they do, they're overall causing a hydration loss. But that's typically not the case. You're still getting fluids there. So the question for a lot of people, how can you tell if you're dehydrated?
Again, it sounds basic, but summer now is a great time to start paying attention to your own body signal, really learning to listen. First of all, obviously thirst. If your mouth is dry, if you're feeling a little sluggish, you're probably already dehydrated. You may not even notice it, but you're dehydrated. In addition to brain fog, you can develop headaches, dizziness, confusion.
And like Dr. Brombat said, the darker your urine, the more dehydrated you probably are. So if you notice those signs, obviously drink something, drink water. But experts advise you not to chug a bunch all at once. If you do that, a lot of that water may get eliminated in the urine, So the better advice is to be drinking sort of constantly, sipping throughout the day.
That actually helps your body retain the fluids, can help you stay ahead of the symptoms of dehydration. Now, one thing I wouldn't worry too much about is overhydration. It can happen, but it's very rare. The problem is that you can cause a dilution in sodium levels from drinking too much water. People with heart failure or kidney disease, they may not be able to handle a lot of fluids at once.
So in those particular circumstances, you should be consulting with your doctor. But for the average person, if your urine is as clear as tap water, then you may want to slow down on the hydration. Again, as you heard earlier, it should be sort of a pale yellow. So what about electrolyte replacement in sports drinks? A lot of questions about this, and we'll talk about it after halftime.
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Chapter 3: Why is water essential for our bodies?
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Okay, we've been talking about fluid intake on an average day. Now, what about hydrating for a day when you're going to be active outside, when you're going to be sweating a lot in the heat? That is a top concern behind the three-minute water break that are now mandatory during this World Cup.
And I got to tell you, it was kind of concerning when FIFA tried to ban fans from taking their own water bottles into stadiums. So FIFA actually amended its policy.
One soft, plastic, disposable, factory-sealed water bottle up to 20 ounces will be permitted for a specific day. What is not allowed are hard sided reusable water containers which could pose a safety and security risk. But each spectator can bring with them one 20 ounce factory sealed plastic disposable bottle of water to the stadium.
The soccer players themselves and anyone else being super active in high temperatures, they need to monitor themselves particularly carefully. First of all, you want to start hydrating before you hit the field or go on a run. Keep that in mind. That may be one of the most important pieces of advice. Start hydrating ahead of time.
American College of Sports Medicine recommends drinking 17 ounces about two hours before the activities start. The water should be slightly cool if possible, and you should take regular water breaks during exercise. If you're going to be active for more than an hour, that's when you might want to consider drinks with electrolyte replacement.
Electrolyte drinks come in all kinds of colors and flavors, including many that aren't even marketed toward athletes. Even superstar soccer player Lionel Messi has a line of them. These may look tempting, but if you're reaching for one because you're dehydrated, you're probably better off starting with water, for all the reasons I just mentioned.
Dr. Brombout says regularly consuming electrolyte drinks could potentially do more harm than good unless you're actually super active.
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Chapter 4: How much water should you drink daily?
She's 31 and is considered the greatest alpine skier of all time. Her mom, Eileen, is an integral part of her team, and her dad, Jeff Schifrin, was too. He was an anesthesiologist who first put Michaela on skis when she was three. What was he like?
This is maybe kind of weird, but like he was really handsome. Since he passed away, I've actually become him. I've totally become the scheduling person in our family.
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