Do face masks stop respiratory infections?

There has been a lot of controversy over whether face masks decrease the spread of respiratory infections during the covid-19 pandemic. And what is the most sensible thing to do when a topic is controversial? Look at what the evidence says!

An umbrella systematic review (a systematic review of systematic reviews) was published in Canadian Family Physician in July looking to answer this question. It … Read more

Covid-19 interview with Ben, Rob, and Robbo

A few days back I did an interview on the Ben, Rob and Robbo show about covid-19. In the interview we discuss what measures were taken in Sweden to prevent the spread of the disease, whether Sweden has now developed herd immunity, and what the role of T-cells vs antibodies is if that is the case. We also discuss whether the Swedish government intentionally “sacrificed” … Read more

PSA test for cancer screening: Good idea?

Should you get a PSA test to screen for prostate cancer? What are the advantages and disadvantages of screening? Do the potential benefits outweigh the potential harms? Those are the questions we will seek to answer in this article.

The problem is that prostate cancer is common, and for most people who have it, it is something that never causes any symptoms, and certainly not … Read more

Is exercise an effective way to lose weight?

Well, Of course exercise helps you to lose weight, right? When someone wants to lose weight, they’re inevitably told to do two things – change their diet and exercise more.

I’ve always wondered about the exercise part though. Not because I don’t think people shouldn’t exercise. I definitely think everyone should engage in some form of daily exercise, due to the many different health benefits … Read more

Sky News interview about covid-19

I did an interview with Sky News in Australia on the 22nd of August about covid-19, my experiences from working in the Emergency Room during the last few months, and what I think about the Swedish herd immunity strategy. The complete interview can be found here.

For more of my thoughts on covid-19, see my perspective on covid-19 in Sweden and my article about … Read more

Does hydroxychloroquine have a role in treating covid-19?

Several people have contacted me over the last few weeks asking for my opinions on hydroxychloroquine. I’ve invariably answered that I don’t know, since I haven’t looked at the data myself. I felt that it was time to rectify that situation.

As many people know, hydroxychloroquine is an old drug that has existed since the 1950s and that is primarily used to treat malaria and … Read more