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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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.
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.