7. Smiling Releases Endorphins, Natural Pain Killers and Serotonin。
Studies have shown that smiling releases endorphins, naturalpain killers, and serotonin. Together these three make us feelgood. Smiling is a natural drug。
7.微笑促进内啡肽、自然镇痛杀伤物质和5-羟色胺的释放
研究显示微笑促进内啡肽、自然镇痛杀伤物质和5-羟色胺的释放。这三种物质可以让我们感觉更好。微笑是一种天然的药物。