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Studies show trauma can be passed down through your DNA 🧬 w/ Neil deGrasse Tyson

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You might be haunted by something that

never happened to you because science

tells us trauma can be passed down. Not

the memory or the recollection itself,

but the biological reaction. It's known

as epigenetic inheritance. Which means

the suffering your ancestors endured

might still affect you. War, starvation,

stress, abuse. It doesn't just vanish.

It leaves molecular footprints, tiny

chemical tags left on the strands of

your DNA. They don't rewrite your

genetic code. They alter how your genes

react and behave, and those alterations

are inherited. Children of Holocaust

survivors carry changes in their stress

response. This is also the same for

descendants of Ireland's Great Famine.

In one experiment, mice that trained to

fear a certain scent had babies and

grandb babies that froze at the same

scent without ever facing the original

trauma. You carry biological stress of

things and events you have never even

experienced. So, if you ever feel scared

or angry or uneasy, and you can't seem

to understand why, it may not be your

fault. It may not even belong to you.

But here's the thing. If fear can be

passed down, so can happiness. At times

when you feel uneasy, choose

forgiveness. Take a breath. Start to

appreciate more. You're now reshaping

the initial trauma you would pass

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YouTube Transcript:Studies show trauma can be passed down through your DNA 🧬 w/ Neil deGrasse Tyson

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Studies show trauma can be passed down through your DNA 🧬 w/ Neil deGrasse Tyson