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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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There are 20 feet of blood vessels in each square inch of human skin.
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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
![Results from sequential study of two cohorts tested at three ages and at three different points in t](https://biology-forums.com/gallery/47/medium_6_31_05_15_8_20_43_219751572.jpeg)
![In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai](https://biology-forums.com/gallery/47/medium_262797_12_08_15_1_46_35_221931656.png)