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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
In 1864, the first barbiturate (barbituric acid) was synthesized.
The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.