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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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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
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The average adult has about 21 square feet of skin.
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Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
![School-age children are often independent and industrious, with a developing sense of self-confidenc](https://biology-forums.com/gallery/47/medium_2137_17_05_12_2_33_15.jpeg)
![Children with Down syndrome have a small head, short, thick neck, flattened face, and a distinctive ...](https://biology-forums.com/gallery/47/medium_660365_18_01_17_1_36_58_24470192.png)