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Certains purificateurs d’air portables génèrent des substances chimiques telles qu’ozone, formaldéhyde ou radicaux hydroxyles pour tuer les microbes. ArtistGNDphotography/E+/Getty Images

Purificateurs d’air : la plupart des tests sont insuffisants pour évaluer leur efficacité ou leur  innocuité

Les fabricants de purificateurs d’air affichent souvent des allégations ambitieuses quant à l’efficacité de leurs appareils. Cependant, des protocoles d’évaluation plus rigoureux sont nécessaires.
Some portable air cleaners generate chemicals such as ozone, formaldehyde and hydroxyl radicals to kill microbes. ArtistGNDphotography/E+ via Getty Images

Most air cleaning devices have not been tested on people − and little is known about their potential harms, new study finds

Manufacturers often make bold claims about how well these technologies work. Better testing would allow consumers and institutions to pick the most effective ones.
Although most medical research is reliable, studies that are flawed or fake can lead to patients undergoing treatments that might cause harm. skynesher/E+ via Getty Images

Fake research can be harmful to your health – a new study offers a tool for rooting it out

A new screening tool to help study reviewers identify what’s fake or shoddy in research may be on the horizon. And everyday people can apply some of the same critical analysis tools.
Samples from volunteers are handled in the laboratory at Imperial College in London, on July 30, 2020. Imperial College is working on the development of a COVID-19 vaccine. (AP Photo/Kirsty Wigglesworth)

Canada’s COVID-19 Vaccine Task Force needs better transparency about potential conflicts of interest

With lives depending on a vaccine, trust in Canada’s COVID-19 Vaccine Task Force is crucial. Members of the task force need to make any industry links or potential conflicts of interest publicly clear.
Industry funders can go to great lengths to suppress the findings of academic research when it’s not favourable to the company. from shutterstock.com

When big companies fund academic research, the truth often comes last

Most medical research is funded by industry, not public sources. And industry puts pressure on researchers in many ways, from guiding the research question to suppressing unfavourable findings.
The lack of transparency seems to be worse in certain disease areas, including diabetes and heart disease. rawpixel

Influential doctors aren’t disclosing their drug company ties

Clinical guidelines have a big impact on the care you receive and the drugs you’re prescribed. But one in five doctors who write these guidelines have undisclosed ties to drug companies.
Now you can find out who’s wining and dining our doctors, nurses and pharmacists with publicly available data of drug company funded events. from www.shutterstock.com

Who’s paying for lunch? Here’s exactly how drug companies wine and dine our doctors

Drug companies funded more than 116,000 educational events for doctors over four years. Now you can find out exactly which companies footed the bills and how much they paid.
Proper nutrition is critical to combatting the costly and deadly epidemics of obesity, diabetes and cardiovascular disease. from www.shutterstock.com

Essays on health: how food companies can sneak bias into scientific research

Food, drug and other companies often sponsor research in the hope it might produce results favourable to their products. How can we ensure such research remains independent?

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