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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

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

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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Distributions of two barnacle species within the intertidal zone Distributions of two barnacle species within the intertidal zone
A number of tree species can be interconnected by mycorrhizal fungi in the forests of British Columb A number of tree species can be interconnected by mycorrhizal fungi in the forests of British Columb
The Red-throated Bee-eater (Merops bullocki) is a species of bird in the Meropidae family. The Red-throated Bee-eater (Merops bullocki) is a species of bird in the Meropidae family.
The human embryo The human embryo
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A peice of paper has a perimeter of 100 cm and an area of 616cm^2. Find the dimensions A peice of paper has a perimeter of 100 cm and an area of 616cm^2. Find the dimensions
Video: Genetic distance between human groups

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