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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The horizontal fraction bar was introduced by the Arabs.
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The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
Adolescent females who participate in activities such as ballet are at risk for eating disorders
Precious Child
Healed bone fractures can provide clues about activities and fresh fractures can yield information a
Child Development: A Topical Approach
Excessive video gaming decrease social and physical development in a child