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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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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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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
![Does this child have legs of different lengths or scoliosis? Look at the level of the iliac crests a](https://biology-forums.com/gallery/47/medium_14755_24_09_12_7_49_31_8985943.jpeg)
![The side injector combines with the shape of the piston to create a swirl as the piston moves up ...](https://biology-forums.com/gallery/30/medium_548020_31_05_17_1_51_46_300221466.png)