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Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
![Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o](https://biology-forums.com/gallery/47/medium_33_17_02_12_5_38_22_1981973.jpeg)
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