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Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

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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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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Human immunodeficiency virus (HIV) Human immunodeficiency virus (HIV)
Views of Alligator and Human Views of Alligator and Human
DNA-sequence alignment of contigs on human chromosome 2 DNA-sequence alignment of contigs on human chromosome 2
The human metallothionein IIA gene promoter The human metallothionein IIA gene promoter
The human heart The human heart
The human brain The human brain
Video: Neuron Type Animation

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