cover of episode Recap: How ultra-processed food impacts your brain | Prof. Felice Jacka

Recap: How ultra-processed food impacts your brain | Prof. Felice Jacka

2025/5/20
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Felice Jacka: 我认为海马体是我们大脑中一个非常重要的区域,它对学习、记忆和心理健康都至关重要。研究表明,海马体是唯一已知可以生长新神经元的脑区,并且它的大小与我们的饮食质量直接相关。这意味着,我们吃什么会直接影响我们大脑中这个关键区域的健康。而且,饮食质量不仅影响海马体的大小,还与患抑郁症的风险有关。所以,保持健康的饮食习惯对于维护我们的大脑健康至关重要。短期高脂肪、高糖饮食也会影响年轻人的海马体相关学习和记忆任务,不健康的饮食会降低食欲调节能力,尤其是在血糖控制不佳的人群中。超加工食品会影响海马体,并通过葡萄糖调节影响食欲。恢复健康饮食后,大脑的缺陷会消失。海马体具有很强的可塑性,食用超加工食品十年会对健康和能力产生长期影响。饮食质量与患常见精神障碍的风险之间存在明显联系。超加工食品与大脑的奖励系统相互作用,会影响儿童和青少年,改变他们的免疫系统、炎症和大脑的奖励系统。即使少量减少超加工食品的摄入,也会有所帮助。政府必须认真对待食品政策,因为这关系到全体人民的健康。

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Today we’re exploring the impact that ultra-processed foods have on our brain.

We often think of nutrition in terms of physical health - things like obesity, heart disease, or diabetes. However, what we eat also plays a crucial role in our mental health, influencing mood, cognition, and even our risk for conditions like depression.

So, what can we learn from the studies that have looked into the connection between food and thought?

I’m joined by world-leading Professor of Nutritional Psychiatry Felice Jacka to explore this fascinating link and discuss how we can make smarter food choices to keep our minds sharp and healthy.

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