The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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The horizontal fraction bar was introduced by the Arabs.
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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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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
Case 1: The outgroups help resolve the polytomy
Case 2: The outgroups do not help resolve the polytomy