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6 Foods Science Shows Are More Hydrating Than Water
//science-technology.news-articles.net/content/2 .. science-shows-are-more-hydrating-than-water.html
Published in Science and Technology on Saturday, July 12th 2025 at 13:42 GMT by CNET🞛 This publication is a summary or evaluation of another publication 🞛 This publication contains editorial commentary or bias from the source
Are you getting enough water? Experts also recommend packing your diet with these electrolyte-rich foods to in order to meet your daily hydration goals.
The article begins by addressing the fundamental importance of hydration. The human body is composed of approximately 60% water, and this fluid is critical for regulating temperature, aiding digestion, transporting nutrients, and supporting overall cellular function. Dehydration, even at mild levels, can lead to fatigue, headaches, and impaired cognitive and physical performance. While drinking water is the most direct way to replenish fluids, the piece argues that hydration is not solely about liquid intake. Foods, particularly those with high water content, can contribute significantly to daily hydration needs. Moreover, these foods often come with the added benefit of electrolytes, vitamins, and minerals that enhance the body’s ability to retain and utilize water effectively.
Leamey introduces the concept of "hydration efficiency," which refers to how well a substance can hydrate the body beyond just its water content. Some foods are more hydrating than water because they contain natural sugars, sodium, potassium, and other electrolytes that help the body absorb and retain fluids. This is particularly important during physical activity or in hot climates, where sweat loss can deplete both water and essential minerals. The article cites research, including a 2015 study from the University of St. Andrews in Scotland, which compared the hydrating effects of various beverages and foods to water. The study developed a "Beverage Hydration Index" (BHI), which measures how well a drink or food maintains hydration over time. Surprisingly, some foods outperformed water in this index due to their nutrient profiles.
The first food highlighted in the article is watermelon, which is composed of about 92% water. Beyond its high water content, watermelon contains potassium, an electrolyte that helps regulate fluid balance in the body. It also provides natural sugars that can aid in water absorption. A single cup of watermelon can contribute significantly to daily hydration while offering a refreshing, low-calorie snack. Additionally, watermelon contains antioxidants like lycopene, which provide further health benefits, making it a dual-purpose food for hydration and nutrition.
Next, the article discusses cucumbers, which are approximately 95% water, making them one of the most hydrating foods available. Cucumbers are also low in calories and rich in vitamins like K and C, as well as minerals like magnesium and potassium. Their high water content and crisp texture make them an ideal addition to salads, sandwiches, or as a standalone snack. The article notes that cucumbers can be particularly beneficial during the summer months when dehydration risks are higher due to heat and humidity.
Celery is another food featured for its hydrating properties, with a water content of about 95%. Like cucumbers, celery is low in calories and provides a good source of fiber, vitamins, and minerals, including potassium and sodium, which are crucial for maintaining electrolyte balance. The article suggests incorporating celery into meals as a crunchy snack or using it as a base for soups and stews to boost hydration.
The fourth food on the list is strawberries, which contain around 91% water. These berries are not only hydrating but also packed with vitamin C, antioxidants, and natural sugars that support fluid absorption. Strawberries can be easily added to smoothies, yogurt, or eaten on their own, making them a versatile option for increasing hydration through diet. The article emphasizes that their sweet flavor can also encourage consumption, especially for those who struggle to drink enough water.
Tomatoes, with a water content of about 94%, are also highlighted as a hydrating food. They are rich in lycopene, potassium, and vitamin C, which contribute to overall health while aiding hydration. Tomatoes can be consumed in various forms—raw in salads, cooked in sauces, or as juice—offering flexibility in how they can be incorporated into meals. The article points out that cooked tomatoes, such as in soups or stews, can be particularly hydrating due to the additional liquid content in these dishes.
Lastly, the article mentions lettuce, particularly varieties like iceberg and romaine, which have a water content of around 95%. Lettuce is a staple in salads and sandwiches, providing a hydrating base for meals. It also contains small amounts of fiber and vitamins, adding to its nutritional value. The piece suggests using lettuce as a way to bulk up meals with hydration without adding significant calories, making it an excellent choice for those monitoring their caloric intake.
Throughout the article, Leamey emphasizes that while these foods are highly hydrating, they should complement, not replace, water intake. The recommended daily water intake varies based on factors like age, activity level, and climate, but a general guideline is about 8 cups (or 2 liters) for adults. However, the inclusion of hydrating foods can reduce the pressure to meet hydration needs solely through drinking water, especially for individuals who find it challenging to consume enough fluids. The article also notes that hydration needs can be met through a combination of beverages and foods, with roughly 20-30% of daily fluid intake typically coming from food sources, according to the Institute of Medicine.
The piece also touches on practical tips for incorporating these hydrating foods into daily diets. For instance, starting the day with a smoothie made of watermelon and strawberries, adding cucumbers and lettuce to lunches, or snacking on celery with a healthy dip can effortlessly boost hydration. These suggestions are particularly useful for busy individuals or those who may forget to drink water throughout the day. Additionally, the article advises paying attention to the body’s signals for thirst and other signs of dehydration, such as dark urine or dry mouth, to ensure adequate fluid intake.
In conclusion, the CNET article provides a compelling case for rethinking hydration beyond just water. By highlighting six foods—watermelon, cucumbers, celery, strawberries, tomatoes, and lettuce—it demonstrates how diet can play a crucial role in maintaining fluid balance. Backed by scientific research, the piece underscores the importance of electrolytes and nutrients in enhancing hydration efficiency. While water remains a cornerstone of hydration, incorporating these water-rich foods can offer a tasty and nutritious way to stay hydrated, especially during times of increased fluid loss. The article ultimately encourages readers to diversify their hydration strategies by embracing a diet rich in hydrating foods alongside regular water consumption, ensuring optimal health and well-being. This comprehensive exploration not only educates but also empowers individuals to make informed choices about their hydration habits, blending science with practical dietary advice.
Read the Full CNET Article at:
[ https://www.cnet.com/health/nutrition/6-foods-science-shows-are-more-hydrating-than-water/ ]