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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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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f
During World War I, advancing armies unloosed ferocious artillery barrages to destroy deeply entrenc During World War I, advancing armies unloosed ferocious artillery barrages to destroy deeply entrenc
One indication of the remarkable transformation of Harlem is town hall meetings. This one was held ... One indication of the remarkable transformation of Harlem is town hall meetings. This one was held ...
Concentration affects where the precipitin line forms. When 1 reactant is held at a constant ... Concentration affects where the precipitin line forms. When 1 reactant is held at a constant ...
An agglutination reaction. Antigen-coated latex beads are held together by antibody. In a direct ... An agglutination reaction. Antigen-coated latex beads are held together by antibody. In a direct ...
After elections were held, it was desired to estimate the proportion of voters who regretted ... After elections were held, it was desired to estimate the proportion of voters who regretted ...
Video: Sister chromatids of a metaphase chromosome animation

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