Overdosing on niacin, also called vitamin B-3, can lead to rare side effects. The most apparent symptom of a niacin overdose is a blurring of vision, the American Cancer Society says. This can be a sudden symptom that is disorienting and frightening.
Capital Cities and Tombs of the Ancient Koguro Kingdom. Located in North-west Xiaotun Village, Anyang City, Henan Province, Yin Ruins is the first recorded and archaeologically-recognized relics as the capital city in Shang Dynasty.apital Cities and Tombs of the Ancient Koguro Kingdom. Located in North-west Xiaotun Village, Anyang City, Henan Province, Yin Ruins is the first recorded and archaeologically-recognized relics as the capital city in Shang Dynasty.
Shang redirects here. For other uses, see Shang (disambiguation). The Shang dynasty (Chinese: åæ; pinyin: ShÄng chÃ¡o) or Yin dynasty (æ®·ä»£; YÄ«n dÃ i), according to traditional historiography, ruled in the Yellow River valley in the second millennium BC, succeeding the Xia dynasty and followed by the Zhou dynasty.