A diet high in tryptophan - an amino acid converted by the body into the feel-good chemical serotonin - can improve mood and wellbeing, pediatrician and natural health expert Caroline Longmore said.

• 儿科医生和健康专家卡罗琳.；朗莫说，高色氨酸食谱-一种由身体转化成的好感觉的血清素的氨基酸 -有助于改善心情和幸福。