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首页> 外文期刊>Endocrine Connections >Mild cold effects on hunger, food intake, satiety and skin temperature in humans
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Mild cold effects on hunger, food intake, satiety and skin temperature in humans

机译：轻度的寒冷会对人类的饥饿，食物摄入，饱腹感和皮肤温度产生影响

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Background Mild cold exposure increases energy expenditure and can influence energy balance, but at the same time it does not increase appetite and energy intake. Objective To quantify dermal insulative cold response, we assessed thermal comfort and skin temperatures changes by infrared thermography. Methods We exposed healthy volunteers to either a single episode of environmental mild cold or thermoneutrality. We measured hunger sensation and actual free food intake. After a thermoneutral overnight stay, five males and five females were exposed to either 18°C (mild cold) or 24°C (thermoneutrality) for 2.5 h. Metabolic rate, vital signs, skin temperature, blood biochemistry, cold and hunger scores were measured at baseline and for every 30 min during the temperature intervention. This was followed by an ad libitum meal to obtain the actual desired energy intake after cold exposure. Results We could replicate the cold-induced increase in REE. But no differences were detected in hunger, food intake, or satiety after mild cold exposure compared with thermoneutrality. After long-term cold exposure, high cold sensation scores were reported, which were negatively correlated with thermogenesis. Skin temperature in the sternal area was tightly correlated with the increase in energy expenditure. Conclusions It is concluded that short-term mild cold exposure increases energy expenditure without changes in food intake. Mild cold exposure resulted in significant thermal discomfort, which was negatively correlated with the increase in energy expenditure. Moreover, there is a great between-subject variability in cold response. These data provide further insights on cold exposure as an anti-obesity measure.
机译：背景轻度的冷暴露会增加能量消耗并可能影响能量平衡，但同时不会增加食欲和能量摄入。目的为了量化皮肤绝缘性冷反应，我们通过红外热像仪评估了热舒适性和皮肤温度的变化。方法我们将健康志愿者暴露于环境轻度感冒或热中性的单次发作。我们测量了饥饿感和实际免费食物摄入量。在热中性过夜后，将五只雄性和五只雌性暴露于18°C（轻度寒冷）或24°C（热中性）下2.5小时。在基线时以及温度干预期间每30分钟测量一次代谢率，生命体征，皮肤温度，血液生化，寒冷和饥饿评分。随后随便吃一顿饭，以获得冷暴露后的实际所需能量摄入。结果我们可以复制冷诱导的REE增加。但是与热中性相比，轻度冷暴露后的饥饿感，食物摄入或饱腹感没有差异。长期冷暴露后，冷感得分较高，与产热呈负相关。胸骨区域的皮肤温度与能量消耗的增加紧密相关。结论结论是，短期中度冷暴露增加了能量消耗，而食物摄入量没有变化。轻度的冷暴露导致明显的热不适，这与能量消耗的增加呈负相关。而且，冷反应中个体间差异很大。这些数据提供了关于冷暴露作为一种抗肥胖措施的进一步见解。

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