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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

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