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Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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Excessive alcohol use costs the country approximately $235 billion every year.

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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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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Classification of ceramic materials on the basis of application Classification of ceramic materials on the basis of application
The Hazardous Materials Identification System is used to label containers that hold hazardous ... The Hazardous Materials Identification System is used to label containers that hold hazardous ...
Many different types of labels may be found on packages containing hazardous materials. Clockwise ... Many different types of labels may be found on packages containing hazardous materials. Clockwise ...
DOT placarding requirements: Table 1 materials must be placarded in any quantity, and Table 2 ... DOT placarding requirements: Table 1 materials must be placarded in any quantity, and Table 2 ...
Nine labels used to identify hazardous materials in the Global Harmonization System (GHS). Top row: ... Nine labels used to identify hazardous materials in the Global Harmonization System (GHS). Top row: ...
The four routes of entry into the human body for hazardous materials. The four routes of entry into the human body for hazardous materials.
Video: Double Vacuum Process (Illustration No Audio)

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