We all know that we yawn when we feel “tired” and it is said that yawning is contagious. But why do we yawn at all? This was a question that imperiled Andrew Gallup and colleagues who studied 109 creatures across 19 species and concluded that the bigger the brain, the...

I must say before I wrote The Genetics of Health (Simon and Schuster, 2017) I myself was a bit sceptical about the value of getting genetic testing done for dietary nutrients. After all, while humans have adapted to the environment over the past 50,000 years (with skin...

Fantastic weather in Auckland (New Zealand) for a little bit of filming to promote my up coming book The Genetics of Health. Literally so close now. Then it's all on - the actual book launch, the speaking tour and my new range of products that will be available. Wow! I...

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