Sana Khadar
speaker
2,999 appearances
51 recordings
5 series
first heard Feb 2020
last heard 14 Aug
Sana Khadar’s voice in public audio — every appearance, attributed to the second.
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recordings per month · last 12 monthsRecordings per month over the last 12 months — 21 in all, peaking in May 2026 with 6.
Appearances
It makes your blood sugar levels rise.
It also throws your amygdala.
Into high alert.
And while we evolved this stress response to keep us safe, the problem is our brains can't fully tell the difference between the threat posed by a lion or tiger who wants to eat us versus our email inbox.
I want to dive deeper into how chronic stress affects our brains, specifically our mood and cognition.
Because you might have noticed, I definitely have, that when you're super stressed, you are probably more moody and snappy, and you struggle to make decisions.
And this also explains why, when you're stressed, you can be more emotionally dysregulated.
And this is a real problem long term, because chronic stress doesn't just change the functioning of the brain, it can change the structure.
For example, there is a well-established link between chronic stress and depression, and we also know that chronic stress can shrink the hippocampus, a part of the brain that's critical for learning and memory.
I could go on, but I'll stop there because I think you get the point.
Chronic stress is bad for many different reasons.
But just two other points I do want to make briefly is that one, there is plenty of research finding that people from poor backgrounds often experience higher levels of chronic stress because of the precariousness of their lives.
That puts them at a higher risk of being impacted by these kinds of changes in the brain.
Second, there's also growing research in Australia, the UK and the US suggesting Gen Z are the most stressed generation, thanks to a combination of factors, including the COVID pandemic, financial insecurity and the rising cost of living, and the impact of social media and technology.
OK, so I want to ask, when should a person start to be worried about the amount of stress they're feeling?
Like, when can you know?
What are the signs to look out for that you've been chronically stressed for too long?
Another sign, Rangan says, is stomach problems.
If you're wondering how that breathing technique works, keep listening.
We'll explain that in a moment.
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