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Jeff Nippard@jeffnippardInstagram

Relationshipmaxxing with tea time to lower cortisol levels ❤️

what it claims

Sharing afternoon tea as a couple to combine the physical benefits of tea with relational connection in order to lower cortisol (the stress hormone).

holds up

The idea of combining a tea break with a moment of togetherness to soothe the nervous system is based on very solid scientific foundations.

noli's read

The idea of combining a tea break with a moment of togetherness to soothe the nervous system is based on very solid scientific foundations. Regarding tea, a randomized clinical trial from University College London (Steptoe et al., 2006) showed that its regular consumption allowed for a 47% decrease in cortisol after a stressful event, compared to only 27% for the placebo group. Furthermore, amino acids like L-theanine, naturally present in tea, promote a state of alert relaxation. On the relational level, psychological research widely supports the concept of 'social buffering,' proving that the presence of a supportive partner directly attenuates our biological stress response. However, the impact on cortisol is neither magical nor instantaneous: the UCL study was based on daily consumption over six weeks. Finally, the caffeine contained in tea can cause a slight transient rise in cortisol immediately after ingestion, although the overall relaxing effects outweigh this in the long term.

the sources

Claimed by Jeff Nippard. Noli grades the claim, never the person.

Decoded by Noli · July 13, 2026 · the original post

What the graded evidence says

Evidence: B+

Linked to, not proven to cause.

Effect: survival by strength of social relationships; mortality risk from loneliness/social isolation/living alone (meta-analyses of cohorts) — stronger social relationships OR 1.50 (95% CI 1.42-1.59) for survival; social isolation OR 1.29, loneliness OR 1.26, living alone OR 1.32 for mortality
Measured on: adults across many countries and age groups (308,849+ participants pooled)

These are associations from cohort studies, so healthier, better-resourced people may both connect more and live longer. The link is strong and consistent, but claims that touch or connection directly "change your gene expression" go beyond the evidence.

Jeff Nippard in the Register53 claims graded · solidity 96/100See their record →

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