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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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There are more bacteria in your mouth than there are people in the world.

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There are more nerve cells in one human brain than there are stars in the Milky Way.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

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