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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

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Women are 50% to 75% more likely than men to experience an adverse drug reaction.

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There are 60,000 miles of blood vessels in every adult human.

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Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye
Fragile and tenuous atmosphere that is vulnerable to the impacts of human activity Fragile and tenuous atmosphere that is vulnerable to the impacts of human activity
Major Structures of the Human Brain Major Structures of the Human Brain
Sensory Differences Between Species Sensory Differences Between Species
A colorized image of human chromosomes A colorized image of human chromosomes
Human Diseases Associated with Copy Number Variants Human Diseases Associated with Copy Number Variants
Video: Introduction to Autism

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