This archive report was first published on 4 July 2019.
Staying hydrated is crucial for our overall health, but there are many misconceptions surrounding hydration. One of the most common myths is that drinking eight glasses of water a day is sufficient for hydration. However, this is not the case, as our daily fluid needs can range from two quarts to more than six quarts per day, depending on our body weight, activity level, and temperature.
According to Kim Schwabenbauer, R.D., a USA Triathlon coach, a healthy diet delivers about 20 percent of fluid intake. This means that we need to consume a variety of foods that are rich in water content, such as watermelon, grapefruit, cucumber, broccoli, apples, and grapes. We can also naturally flavor our water with berries, lemon, kiwi, pineapples, or oranges to make it more appealing.
Studies have shown that if our fluids are flavored, we are more likely to drink more. However, it's essential to note that even minor dehydration can affect our physical and cognitive performance, as well as our overall health. Dehydration reduces the amount of fluid circulating in our bloodstream, making our heart work harder, limiting our body's ability to cool itself, and prematurely fatiguing our muscles.
Another common myth is that we can be healthy without good hydration. This is not true, as dehydration can lead to a range of health problems, including impaired aerobic function, physical work capacity decreased, and even organ damage. It's essential to pay attention to our hydration levels and take steps to stay hydrated, especially during exercise or in hot weather.
When it comes to sodium, many people believe that avoiding salty foods is the key to staying hydrated. However, this is not the case. Sodium is an essential nutrient that our body needs to survive, and it plays a crucial role in maintaining blood volume, helping our skin dissipate heat, and delivering oxygen to our hardworking muscles.
Finally, there's the myth that bananas are great for dehydration cramps. While bananas do contain potassium, which can help blunt the effects of sodium, there's nothing magical about them. Potassium is an essential electrolyte that helps balance sodium levels in our body, and most people get around half the recommended 4,700 milligrams of potassium daily.