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#health#evidence#more#hard#scientific#vaccines#believe#public#sense#question

Discussion (18 Comments)Read Original on HackerNews

dekhnabout 4 hours ago
No health claim is ever proven. Even with overwhelming evidence for a claim we can't really say it's proven. At best we can say we have very high confidence, supported by a lot of data.

Further, what exactly are we supposed to believe? Should we read the NY Times or Nature and just accept that what gets published there is the absolute truth? As we know, many paradigms have been overturned over the years- sometimes requiring heroic efforts to change the status quo. Many of the health claims about cholesterol, fat intake, and other diet/nutrition have turned out to be less important that originally believed.

There are a few exceptions and even then I wouldn't call them "proof". For example, smoking causes cancer- we have enough evidence to safely conclude actual causality (multiple replicated double-blind experiments).

foobarchuabout 1 hour ago
As a complete non-expert, as far as I can tell, the only true agreement out there is that certain very specific substances are bad for you if you consume them too often. That's tobacco, alcohol, painkillers...and that's about it for consensus ones, with alcohol having wiggle room among the public thanks to some poor studies.

Just about every other piece of nutrition advice out there can easily be categorized as controversial. Not in the sense that one side is obviously stupid or malicious, but in the sense that both sides earnestly think they are right.

mathgladiator42 minutes ago
The real hard thing is accepting that people are going to make different decisions and get different outcomes.

I believe a lot of crazy health stuff because in my N=1 story, they work and drive results. This where I polarize people because I only eat meat, love raw cheese or a2 cheese. I have fixed so many problems.

My wife has also fixed a large number of problems such that her MS is so much more manageable and life quality is great.

Whatever science someone has has to contend with lives stories, and i no longer care to bother to believe centralized science. I want a thousand experiments to run where the results are life and death.

yarn_about 3 hours ago
>People disagree on a bunch of extremely politicized topics within the realm of nutrition and health which is famously complex and hard to understand even for experts in the field.

Yup, I'm "staggered".

gus_massaabout 3 hours ago
Table of question vs country (page 42): https://www.edelman.com/sites/g/files/aatuss191/files/2026-0...

Recent small discussion: https://news.ycombinator.com/item?id=47876068 (13 points | 11 days ago | 6 comments)

arjieabout 1 hour ago
It's hard to tell what the correct public health play is. Take the controversial mask issue. Anthony Fauci on why he didn't say that masks would be effective said:

> Well, the reason for that is that we were concerned the public health community, and many people were saying this, were concerned that it was at a time when personal protective equipment, including the N95 masks and the surgical masks, were in very short supply. And we wanted to make sure that the people namely, the health care workers, who were brave enough to put themselves in a harm way, to take care of people who you know were infected with the coronavirus and the danger of them getting infected

As a public health official, perhaps you want to create an outcome like this by ensuring that you sacrifice some number of unknown people in order to preserve the capacity to fight the disease (and perhaps through doing that, save untold more people, including the people who are originally placed at risk). That will make sense to anyone who has played an RTS, I suppose. But if you're the guy about to be sacrificed, you are less likely to be thrilled about it. Trying to solve a collective action problem is hard, so I won't claim to knowing what I'd do in his position.

However, one way or another, each individual is going to look at that and conclude "sometimes the government will not tell me the truth in order that society may make it and they'll say I'm wrong and not following science to make sure I go along with it" and some individuals will say "okay, we need to take some risk to go along with the thing" and maybe another will say "no, fuck you, tell me the truth" and so on. I think this particular cat is out of the bag.

Once it's made obvious to people that the things you're telling them may not be entirely truthful so that you can create an outcome you want, they won't trust you. I lean on the side of being entirely truthful and appealing to the better angels of people's nature. But I'm an armchair quarterback. Hard to play it back and see what would have happened, or if we were in the counterfactual world with a Spanish Flu like disease that killed the working age more.

dabbledashabout 2 hours ago
One thing that would help, and that I don't see addressed here is "avoid taking public positions on divisive issues that are not absolutely clear and directly linked to your area of expertise."

Avoid politics like Codex avoids goblins.

scotty79about 2 hours ago
I wonder what are the stats just for doctors rather than general population so we know what the realistic results to strive for are.
YeGoblynQueenne6 minutes ago
>> "Raw milk is healthier than pasteurized"

Oh dear, my very own pet peeve.

Anecdotally this is common also between anti-vaxxers or vaccine skeptics or what have you. It makes sense because those ideas really form a continuum that is basically denying the Germ Theory of Disease, i.e. the knowledge that humanity has acquired in the last couple hundred years that there exist micro-organisms that are the direct causal agents of some diseases. It's like a return to the bad parts of the Middle Ages were people got sick and died and nobody could tell why.

It's also a particularly dangerous belief to hold. People have destroyed their own kids' kidneys for life with it: drinking raw milk infected with Shiga-toxin producing E-coli can cause Hemolytic Uremic Syndrome (HUS) which particularly affects children with under-developed immune systems, and which can really destroy young ones' kidneys [1,2]. It's insane and heartbreaking and infuriating and omg I cannot think of anything more terrifying than living with the knowledge that I've caused so much harm to my own children because I was too stupid to understand the risks and thought I was doing them good [3].

>> “There has definitely been a growing number of people who question widely accepted scientific evidence,” agrees Heidi Larson, who studies confidence in vaccines at the London School of Hygiene & Tropical Medicine. “It’s important to pay attention to.”

OK but this I really have to push back on. Who the hell really knows and understands "the scientific evidence"? When you start throwing around shibboleths like that, that's when people lose the plot and think they're doing the right thing and "doing their own research" and so on. Scientists train for years to be able to understand "the scientific evidence". The lay public can't be expected to have the same ability. You have to take scientists at their word.

And that means that scientists have the responsibility to build trust. I don't know how that's done. Thank god I'm only a computer scientist and my work can hardly poison or kill anyone, I mean unless someone ends up running my software on a kamikaze drone or something [4].

And anyway science is a debate and "the scientific evidence" keeps changing year after year. My friend tells this story where her two grandmothers, one a farmer (though well-educated), the other a biologist, were talking about ... eggs. Grandmother A, the farmer, had hens and one year Grandmother B, the biologist, advised her to wash the eggs because the latest scientific evidence was that this reduced the risk of food-borne illnesses. A few years later, Grandmother B told Grandmother A that the scientific evidence had changed and it was now considered riskier to wash eggs because that could cause contaminants to permeate the shell. "So better stop washing them" said Grandmother B. "Oh, don't worry", said Grandmother A, "I never started washing them anyway".

___________________________

[1] https://pmc.ncbi.nlm.nih.gov/articles/PMC10919754/

[2] https://academic.oup.com/cid/article-abstract/48/11/1637/348...

[3] And I don't even have children.

[4] Unlikely.

ike2792about 4 hours ago
They really picked a strange set of claims to ask people about.

- For the protein one, it's too general of a question. Some plant proteins aren't complete proteins while others are, and animal proteins can range from super-healthy oily fish to less-healthy bacon.

- The next three are more standard "almost certainly false" claims that would make sense to ask in a survey like this.

- The acetaminophen/autism thing was in headlines recently with lots of people either hyping it up or trying to discredit it. It's hard to say anything is clear either way, but it isn't completely outrageous to believe this one.

- Finally, "vaccines are used for population control" is just an outright conspiracy theory and not even mainstream for "false health claims."

Lumping different types of questions together like this is like saying "more than 70% of people believe that butter isn't as bad as we thought or that the moon landing was faked."

nradovabout 2 hours ago
We can't even necessarily claim that oily fish is "super-healthy". People shouldn't rely on it as their only source of protein due to the risk of heavy metal toxicity, especially for larger fish. A few servings per week are probably fine depending on the exact fish species.

https://www.healthychildren.org/English/ages-stages/prenatal...

Some plant proteins are "complete" in the sense of including all essential amino acids, but the ratios are wrong which still leaves at least one amino acid as a limiting factor. It's usually best to mix at least two plant proteins instead of relying on a single one.

Everything in moderation.

jbritton43 minutes ago
“vaccines are used for population control” Bill Gates has stated this is a goal, but in a different context. The idea is if you’re in a country with a large number of early deaths you are likely to have more children, and vaccines should help reverse this trend. So this is kind of an ambiguous question.
chungus_amongusabout 2 hours ago
"vaccines are used for population control" in practice might as well be "do you extremely dislike and distrust the medical industry." It gives people an opportunity to express hostility at the cost of strawmaning their own disorganized opinions.
tredre3about 3 hours ago
In the first three questions asked I could see reasonable people argue either way, with legitimate papers backing their "side", so I'm happy to at least see an even split.

For the autism question I agree with you, people simply believing their government is reasonable.

But I am quite worried about the last question. That 25% of people believe vaccines are used for population control is worrisome, no matter how you spin it.

jjk166about 2 hours ago
Note that while it is not a vaccince, there is an injectable birth control, and immunocontraceptives which would actually be vaccines are in development. Further there have been well documented cases where people were sterilized against their will under the guise of other medical procedures, including receiving such shots. It really doesn't take too much whisper down the lane for that to be misunderstood, and once you get it in your head that a vaccination program could be used for population control I imagine it would be pretty hard to find evidence to convince yourself otherwise.
stinkbeetleabout 1 hour ago
It's interesting they didn't ask questions like whether people believed that the COVID vaccine prevented transmission of the virus. The number might have been even more staggering.
chungus_amongusabout 4 hours ago
maybe medical professionals shouldn't have discredited themselves through rent seeking and playing politics
phs318uabout 2 hours ago
Or perhaps “journalists” shouldn’t wildly and sensationally extrapolate from the most nuanced of findings in research to create unrealistic and unjustified expectations, especially when there exists other research drawing somewhat different conclusions.

Maybe people need a better education in science, the scientific method, logic, and reasoning.

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