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The Bluesky post
@gwb645.bsky.social·Bluesky·

Love produces feel good chemicals (i.e., dopamine and oxytocin) in the lover's brain. Hate produces stress chemicals (i.e., cortisol) in the hater's brain.

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Fit Body Science
Science fact-checking · Jul 23, 2026

When people are constantly hated for who they are, half the time their cortisol levels rise — not from anger, but from the body’s quiet, relentless stress response to being targeted. https://s.fitbodyscience.com/8zCHUn

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Scientific verdict2 claims checked

Backed by science

These claims are backed by science.

26Supports
0Challenges
50%Claims hold up
The breakdown

Love floods your brain with good chemicals, hate floods it with stress — but the science is more nuanced than it sounds.

There’s no direct research found to confirm that love triggers dopamine and oxytocin in the way the post suggests, so that part remains unverified. But when it comes to hate — especially in the form of persistent discrimination — other research shows that people who face it regularly, like many LGBTQ+ individuals, often have higher levels of the stress hormone cortisol. It’s not that hate itself directly causes cortisol, but the constant emotional toll of being targeted can trigger a physical stress response. That’s a powerful reminder that how we treat each other doesn’t just hurt feelings — it can show up in our bodies.

Bottom line

Love’s chemistry might be a mystery for now, but the body’s reaction to being hated? That’s something we can actually measure — and it’s not pretty.

ReliabilityThe evidence mostly supports this with some caveats
Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.

Bluesky Post Analysis | Fit Body Science