If you are over 65 and do not have any of these risk factors for osteoporosis, you should still have a bone density test. Osteoporosis risk factors. Family history; Postmenopausal; Premenopausal with irregular or no menstrual periods (amenorrhea) Thin or small frame; Caucasian or Asian; Diet low in calcium and vitamin D; Little or no exercise; Cigarette smoking
Top Definition. ying-yang. 1) the erroneous spelling of yin yang or yin-yang, which is an ancient concept and symbol referring to complementary opposites, such as light/dark, day/night, masculine/feminine, sun/moon. Yin is seen as dark, passive and feminine. Yang is seen as light, active, and masculine.
Yin and Yang. Definition. The principle of Yin and Yang is a fundamental concept in Chinese philosophy and culture in general dating from the third century BCE or even earlier. This principle is that all things exist as inseparable and contradictory opposites, for example female-male, dark-light and old-young.