, also commonly spelled ch'i, chi or ki, is a fundamental concept of everyday Chinese culture, most often defined as "air" or "breath" (for example, the colloquial Mandarin Chinese term for "weather" is tian qi, or the "breath of heaven") and, by extension, "life force" or "spiritual energy" that is part of everything that exists. References to qi or similar philosophical concepts as a type of metaphysical energy that sustains living beings are used in many belief systems.
The Yellow Emperor wrote The Yellow Sovereigns Classic of Internal Medicine, the foundation of Traditional Chinese Medicine for twenty four centuries...
Swine flu is continuing to spread in New Zealand, health officials said Monday as the death toll rose to 10 and some areas reported more people in hospital than during last year's pandemic.
Girls between the ages of 11 and 12 should be vaccinated against the human papillomavirus (HPV) before they become sexually active, according to recommendations released Monday by the American College of Obstetricians and Gynecologists (ACOG).