Time restricted eating good for weight loss?

In recent years, one of the most popular diet interventions has been fasting, in a variety of different forms. These have included intermittent fasting diets in which you’re supposed to fast for a few days per week, such as the 5:2 diet, or a few days per month. They’ve also included various forms of time restricted eating, such as the 16:8 diet, where you’re supposed … Read more

Herd immunity without antibodies?

“Only a minority of people in Sweden have antibodies, so they can’t have herd immunity!”

That is the most common argument I’ve been hearing for why Sweden can’t have achieved herd immunity. This is in spite of the fact that the rates of hospitalizations and deaths have dropped continuously since the peak in April, and are now stable at basement levels.

The argument is also … Read more

How to understand scientific studies (in health and medicine)

Considering how much misinformation is currently floating around in the area of health and medicine, I thought it might be useful to write an article about how to read and understand scientific studies, so that you can feel comfortable looking at first hand data yourselves and making your own minds up.

Ethical principles

Anyone can carry out a study. There is no legal or formal … Read more

Covid-19: Does Sweden have herd immunity?

UPDATE 14th November 2020: In light of the recent increase in hospitalizations and deaths during October and November in Sweden, I no longer believe that Sweden reached a state of herd immunity during spring. The text below represents my thinking on the 19th of September, when I wrote the article, and doesn’t represent my current thinking. It is clear that a significant level of population Read more

How much exercise will maximize longevity?

In an earlier article we debunked the claim that exercise will help you lose weight. What about whether exercise will help you live longer? Now, don’t get me wrong, I am certainly not anti-exercise. There are lots of studies showing that exercise has many and varied health benefits, from improving muscle strength and balance, to decreasing the risk of fractures and delaying the onset of … Read more

Low carb vs low fat: which diet is better?

Traditional diet advice over the last fifty years, still espoused by most health authorities around the world, holds that if you want to lose weight, you need to cut down your fat intake. In the last few decades, a number of alternative diets have sprung up claiming that you should instead be cutting down your carbohydrate intake. These include the LCHF, Atkins, paleo, and more … Read more