This story reports on the FDA’s recent rejection of a petition to allow sellers of green tea to make claims that the product can lower heart disese risk. Oddly, the story gave almost equal time to the supposition of benefit from green tea as it did to an explanation of the science behind the FDA’s decision. This story had the opportunity to help educate consumers about how to assess unsubstantiated claims made about products.
Although there have been a number of benefits suggested from consumption of green tea, informed consumers should be aware of the differece between these and health claims supported by scientific evidence.
The story also could have presented evidence on the potential harms of green tea and on alternative evidence-based ways to reduce heart disease risk.
Although it was mentioned that the largest maker of green tea had profits last year of $14 million, there was no estimate for the cost of green tea for the consumer.
This was a report on the lack of evidence to support the contention that green tea consumption provided benefit in terms of heart disease risk.
This report revealed that the assumed benefit of green tea for reducing heart disease was not supported by the scientific evidence. It did not, however, discuss the potential adverse effects of green tea, particularly caffeine, on patients with known cardiovascular disease.
This story mentioned that the FDA reviewed the results from 105 studies in order to reach its conclusion that there was not sufficient evidence to support the health claim that green tea reduces the risk of heart disease. It ended with mention of the plans by the company marketing green tea to conduct future studies to try and prove the health benefits.
This story presents the conflict between what people believe to be true – bits of scientific evidence that drift into public consciousness (i.e. Green tea has antioxidants, therefore it is good for you) – and demonstsration of clinicial benefit.
This story contained interviews with several people on the street to support the contention that consumption of green tea is common place; as well as a quote from a marketing manager from what is reported to be the largest maker of green tea. For perspective on why the FDA was petitioned for this health claim, quotes from scientists working in the area of heart disease risk or the biochemistry of antioxidants might have been useful.
There was no mention of lifestyle changes or drugs that have been demonstrated to decrease heart disease risk.
This story mentions that millions of Americans drink beverages containing green tea.
There was no claim made of novelty associated with consumption of green tea. Just the opposite. Though green tea is recently popular in the United States, mention was made of its consumption in Asia for thousands of years.
This piece does not appear to rely on a press release.
Systematic, Criteria-Driven
The tale of two “negative” studies. Or, how spin is applied to make research findings look more impressive. A must read. https://johnmandrola.substack.com/p/the-tale-of-two-negative-studies
The @nytimes chose to interview one of the editors of the @AnnalsofIM (publisher of this paper) who "gushed with extraordinary glee: It’s huge! There are very few things that reduce your mortality by 30%."
Turns out coffee is not one of those few things despite all that glee. https://twitter.com/garyschwitzer/status/1533202075928215558
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