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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
![These two desert arthropods, a scorpion and a cicada, have evolved very different approaches to livi](https://biology-forums.com/gallery/47/medium_33_08_09_11_10_42_12_1679804.jpeg)
![Open-top chambers, such as the one pictured above in a polar desert on Ellesmere Island, are commonl](https://biology-forums.com/gallery/47/medium_33_17_02_12_7_03_54_2045199.jpeg)