Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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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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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Chest CT scan. The stringy, cobweblike area indicates lung damage from smoking that has resulted in
1–12 Elements essential to animal life and health
The Increasing Cost of Health Care, 1960–2010
A health care professional taking a radial pulse and common pulse points.
Most Canadian seniors rated their health as good to excellent.