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Did you know?

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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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.

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

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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Illustration showing how the primary breast tumor metastasized through the lymphatic and blood vesse Illustration showing how the primary breast tumor metastasized through the lymphatic and blood vesse
Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg
Breast cancer. Notice the tumor growing within a lactiferous gland, which occurs in infiltrating duc Breast cancer. Notice the tumor growing within a lactiferous gland, which occurs in infiltrating duc
An MRI of Professor P.’s acoustic neuroma. The arrow indicates the tumor. An MRI of Professor P.’s acoustic neuroma. The arrow indicates the tumor.
How to common factor an expression How to common factor an expression
The ChIPSeq method screens for specific transcription factor binding sites across a whole genome The ChIPSeq method screens for specific transcription factor binding sites across a whole genome
Video: Blood Flow Through the Kidneys

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