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We examined the relationship of the number of adverse childhood experiences (ACE score) to six health problems among four successive birth cohorts dating back to 1900 to assess the strength and consistency of these relationships in face of secular influences the 20th century brought in changing health behaviors and conditions.We hypothesized that the ACE score/health problem relationship would be relatively “immune” to secular influences, in support of recent studies documenting the negative neurobiologic effects of childhood stressors on the developing brain.The ancient instrument consisting of five pieces of stone was excavated last July by the provincial cultural heritage institute at the ruins of Jinjianghekou in the Changbai Mountains, where the Nyuzhen nomadic group originated."The instrument covers high, middle, and low tones, and is very precious," said Zhao. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC).A retrospective cohort study of 17,337 adult health maintenance organization (HMO) members who completed a survey about childhood abuse and household dysfunction, as well as their health.We used logistic regression to examine the relationships between ACE score and six health problems (depressed affect, suicide attempts, multiple sexual partners, sexually transmitted diseases, smoking, and alcoholism) across four successive birth cohorts: 1900–1931, 1932–1946, 1947–1961, and 1962–1978.

Note: Browsers with 1024*768 or higher resolution are suggested for this site.In 2003, at the Brooklyn Museum in New York City, a major exhibit titled “Art and Interconnections” showed fine mirrors and lenses in eyes of an ibis statue.It revealed remarkable ties between art objects found in Egypt and regions extending eastward to Western India and north and westward.; thus, it is of interest to trace mirror origins, development, and use.

Here, earliest known manufactured mirrors are discussed and their origins in different parts of the world are considered and compared.

Mirrors were sometimes used to symbolize the inner self; they also provided a way to “look back.” Magical properties were sometimes attributed to mirrors and mirrors served as burning glasses, as weapons, and as time-keeping devices.