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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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![Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T](https://biology-forums.com/gallery/47/medium_12359_23_01_13_7_13_34.png)