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In part because this was a study facilitated
部分原因是因为这项研究得到了
By the UC Berkeley Center for Weight and Health
加州伯克利分校体重和健康中心的支持
Done by the group there using
这里的研究小组使用了
The National Growth and Health Study
全国成长及健康研究的数据
A sample of over 2000 girls
选择2000名女孩为研究样本
Followed longitudinally
对她们进行了纵向研究
And had BMI, psychological stress assessed
测量了她们这一时期的
Throughout that period
BMI指数和心理压力大小
So you can see here
所以大家可以看到
As Dr. Dow will certainly talk about in his next talk, kind of this
道尔博士会在下面的报告中谈到这些内容
These changes that happen in adolescence
这些变化发生在青春期
So what they found was there's an increase overall in weight
研究人员发现女孩的总体体重有所增加
But also that chronic high stress accumulated over the time
这种长期的高压力在一段时间慢慢积累
Predicted this increase over time
会逐渐导致她们体重增加
So that greater accumulative chronic stress
所以无论黑人女孩还是白人女孩
In both black and white girls
长期的压力积累起来
Predicted increase in BMI over that 10-year period
导致她们在10年中出现了BMI指数的增长
There was also a stronger effect
而且这种联系在非洲裔美国女孩身上
In the African American girls
表现得更为明显
Just in the potential ratio disparities as related to obesity
格兰德纳博士今天结束之前
Certainly relevant to Dr. Grandner's talk towards the end of the day
会讲到这个比例之间的差别
So there does seem to a relationship
所以联系确实存在的
One of the potential mechanisms
而且两者之间还存在潜在的相互作用机制
And for a stress researcher
作为研究压力的学者
Kind of some of the tools in our tool belts is stress hormones
我们能够利用的工具包括测量压力激素水平
When we think biological factors
这是我们在考虑生物因素时采用的方法
Kind of the one that most often comes to mind
我们经常想到的是
Is the role of cortisol
皮质醇的作用
Cortisol released from the adrenal glands
皮质醇是人在面对压力时
In response to a stressor
由肾上腺素分泌的一种激素
Has been shown to be linked
已经有证据证明
To increase in adipose deposition, insulin secretion
皮质醇会促进脂肪沉积和胰岛素分泌
And Mary Dollman's work so eloquently at UCSF shows
加州大学旧金山分校的玛丽道尔曼的研究显示
That it increases motivation
皮质醇会激励人们食用
For high fat, high sugar foods
高脂肪和高糖分的食物
