> Participants first abstained from coffee for two weeks before being reintroduced to either caffeinated or decaffeinated coffee in a blinded trial. So it could easily just be cessation of withdrawal symptoms.
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Caffeinated and decaffeinated coffee lower stress, depression and impulsivity
11–20 of 64 posts
Re: Caffeinated and decaffeinated coffee lower stress, depression and impulsivity
#12"J.F.C. [the professor in question] has been an invited speaker at conferences organised by Bromotech, Yakult and Nestle and has received research funding from Nutricia, DuPont/IFF, and Nestle. G.C. has received honoraria from Janssen, Probi, Apsen, and Ingelheim Boehringer as an invited speaker; is in receipt of research funding from Pharmavite, Fonterra, Reckitt, Nestle and Tate and Lyle; and has been paid for consultancy work by Yakult, Zentiva, Bayer Healthcare and Heel Pharmaceuticals. ES has received honorarium from Janssen Sciences Ireland UC. ES also received honorarium from MyNutriWeb for an event that was sponsored by Yakult. This support neither influenced nor constrained the contents of this manuscript. The remaining authors declare no competing interests."
I feel these disclaimers should be posted under every post about nutritional research that's linked on here. Not saying it proves anything in favour or not, but it's good to know who's getting paid to say what.
Re: Caffeinated and decaffeinated coffee lower stress, depression and impulsivity
#13Earlier quoted context omitted.
The sentence immediately before the one you quoted notes that there was a group of non-coffee drinkers in the study, and the sentence immediately after states that both groups experienced the positive effects.
Yes, that's how stimulants work. The first hit, after abstinence, is always the best.
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Re: Caffeinated and decaffeinated coffee lower stress, depression and impulsivity
#14Any mood or depression study without a control group is, unfortunately, useless.
There is an interesting effect in mood related studies where every group usually improves on average, even if they receive only placebo. The real measure of any depression study is therefore the improvement above and beyond the control group.
The effect is so predictable that it has become an easy way to produce studies showing positive effects from something: All you have to do is track some group of people and then give ALL of them your supplement, and their scores will improve. It makes great headlines because most people don’t know you could have given them sugar pills and the scores would also improve.
EDIT: As another commenter pointed out, this person has an unusual long list of financial affiliations with companies that produce drink products, too. This study should probably be ignored
Re: Caffeinated and decaffeinated coffee lower stress, depression and impulsivity
#15Earlier quoted context omitted.
The sentence immediately before the one you quoted notes that there was a group of non-coffee drinkers in the study, and the sentence immediately after states that both groups experienced the positive effects.
Yes, that's how stimulants work. The first hit, after abstinence, is always the best.
Well obviously, the study could be bunk, but decaf essentially contains no stimulant, so this isn't really enough to explain the results.
Re: Caffeinated and decaffeinated coffee lower stress, depression and impulsivity
#16Any mood or depression study without a control group is, unfortunately, useless. There is an interesting effect in mood related studies where every group usually improves on average, even if they receive only placebo. The real measure of any depression study is therefore the improvement above and beyond the control group. The effect is so predictable that it has become an easy way to produce studies showing positive…
It's almost like having someone interested in your mental health (even if only to track it) is good for it?
Re: Caffeinated and decaffeinated coffee lower stress, depression and impulsivity
#17Any mood or depression study without a control group is, unfortunately, useless. There is an interesting effect in mood related studies where every group usually improves on average, even if they receive only placebo. The real measure of any depression study is therefore the improvement above and beyond the control group. The effect is so predictable that it has become an easy way to produce studies showing positive…
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Re: Caffeinated and decaffeinated coffee lower stress, depression and impulsivity
#18Earlier quoted context omitted.
Yes, that's how stimulants work. The first hit, after abstinence, is always the best.
Well obviously, the study could be bunk, but decaf essentially contains no stimulant, so this isn't really enough to explain the results.
Decaf is typically not 100% free of caffeine, and coffee contains other minor stimulants as well
Re: Caffeinated and decaffeinated coffee lower stress, depression and impulsivity
#19Earlier quoted context omitted.
The sentence immediately before the one you quoted notes that there was a group of non-coffee drinkers in the study, and the sentence immediately after states that both groups experienced the positive effects.
Yes, that's how stimulants work. The first hit, after abstinence, is always the best.
Are you replying to the right comment? Or maybe just haven't had your morning coffee yet? ;)
The point I'm making is that a non-coffee drinker won't have "withdrawal symptoms", so OP's suggestion that the beneficial effects they observed were just "cessation of withdrawal symptoms" doesn't make any sense. As in literally nonsense: "a non-coffee drinker's withdrawal symptoms" is nonsensical in the same way the idea of a square circle is.
Re: Caffeinated and decaffeinated coffee lower stress, depression and impulsivity
#20Any mood or depression study without a control group is, unfortunately, useless. There is an interesting effect in mood related studies where every group usually improves on average, even if they receive only placebo. The real measure of any depression study is therefore the improvement above and beyond the control group. The effect is so predictable that it has become an easy way to produce studies showing positive…
It's almost like having someone interested in your mental health (even if only to track it) is good for it?
You could be on to something. I mean, how many people might normally rarely get the question "How are you doing?"