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

Should you take fever lowering drugs when you’re sick?

Most of us probably take fever lowering drugs, like paracetamol (a.k.a. acetaminophen, tylenol, panadol, alvedon), aspirin, or ibuprofen (a.k.a. advil, motrin, ipren), when we get a high temperature. The technical term for these drugs is antipyretics. After half an hour or so, we start to feel better and maybe don’t have to spend the whole day in bed. But it is well understood among researchers … Read more

How bad is salt for your health?

“Try to cut down on the salt.”

I’m sure many people have gotten this well-meaning piece of advice from their doctor, especially if their blood pressure is a little bit high. It ranks up there with not smoking or drinking alcohol and avoiding red meat, saturated fat, and sugary drinks as one of those things we’re told to do if we don’t want to die … Read more

What is the best way to measure rates of covid immunity?

In my previous post on the covid pandemic I mentioned that the body’s main defence against viruses is T-cells, not antibodies, and that the only reason we test for antibodies instead in clinicial practice is because it is easier and cheaper. I also ventured a hypothesis that the levels of population immunity are much higher than is being found in the antibody tests, and that … Read more

Do vitamin D supplements decrease the risk of depression?

A new study has just been published in JAMA (the Journal of the American Medical Association) that seeks to answer this question definitively. This subject has been somewhat controversial, because observational studies have tended to show a positive effect, while randomised clinical trials have failed to show any effect. Usually you would trust the trial data more than the observational data, but these trials were … Read more