The thing that works as well as quitting smoking

There is one intervention in this whole field with evidence behind it on a scale nothing else comes close to. It cannot be bottled, and nobody can sell it to you. So almost nobody talks about it.

In 2010, Julianne Holt-Lunstad and colleagues published a meta-analysis in PLOS Medicine asking a plain question: does the quality of a person's social relationships predict how long they live? They pooled 148 studies. The answer was yes, and the size of the effect was the part that startled people: comparable to well-established risks we build entire public health campaigns around, smoking among them.

In 2015 the same group went further, pooling data on more than 3.4 million people to separate the strands. The numbers came out like this:

• Social isolation (being objectively cut off) raised the likelihood of dying by 29%.
• Loneliness (the feeling, whatever your address book says) raised it by 26%.
• Living alone raised it by 32%.

These were the figures after adjusting for confounds. Not before.

You can buy every clean product on this site and still be carrying the largest risk factor we know how to measure.

Why you have not heard this more often

Because there is no product in it.

An industry organised around things to purchase will always find more to say about a supplement with three small trials behind it than about a finding this size, because the finding cannot be packaged. Nobody runs an advertising campaign for phoning your sister.

We are not above that. This site earns nothing today, but the shop exists and one day it will. So it seems fair to say plainly: the single best-evidenced thing on Ethos is the part that costs nothing, and if you only ever take one thing from us, take this one and skip the rest.

What the evidence does not say

It is association, not proof of cause. These are observational studies, and they cannot fully rule out that unwell people become isolated rather than isolation making people unwell. Researchers work hard to account for that. They follow healthy people forward in time and adjust for baseline health, and the effect survives it. But the honest phrasing is "strongly and consistently associated with", not "causes".

It also does not say that any company is enough. A room of strangers is not a friendship. What the literature keeps pointing at is something more ordinary and harder: being known by somebody, reliably, over time.

What we do with this

It is why the Monday hour is free, and why it is the same hour every month rather than whenever there is something to say.

An hour held once a month, at a fixed time, that anybody can enter without paying or being seen, is not a product decision. It is the closest thing we can build to the only intervention with this much evidence behind it. Whether it works at that scale, we cannot claim. We are a website, not a trial.

But we know which direction the evidence points, and we built this whole place to face it.

• Same time, every month. Reliability is doing more work here than content.
• No entrance fee. Money is the most common reason people leave a room.
• No performance. No camera, no names, nothing to prepare for.
• And a nudge outward. The hour is not the point. It is a reminder to call somebody tomorrow.

If you take the shop seriously, take this more seriously.