A few months ago, I launched a mineral sunscreen in New Zealand that came out of my research lab and is manufactured at a facility that holds an FDA drug-manufacturing license. SPF test results and other information can be found here. Surprisingly, even given the high...

Some experts argue that the sunscreen we use to protect us might be doing more harm than help. Is this true? 

One of the biggest causes of both skin aging and skin cancer is sunburn, so anything we can do to prevent it the better. Having said that, there have been conce...

There was a report in New Zealand’s Consumer magazine that revealed that many sunscreens did not live up to their claims. One sunscreen that claimed an SPF of 30 ended up with an SPF of 6 on independent testing!

The Consumer report called for more regulation. However, e...

Using perfumes to lure killer cats


In 2003, there was a report about New York’s Bronx Zoo suggested that female cheetahs loved Calvin Klein’s male parfum, aptly named Obsession. The zoo staff experimented with other scents but it turned out that none could beat CK’s Ob...

This year I was invited to speak at Chatham House, and my talk was titled “Germs, Genes and Geography.” I spoke about how diets evolved and with it how new genes were expressed.

In researching for my latest book, The Genetics of Health, I was especially concerned at fal...

Check out my article in the Daily Express - UK.

WE ARE in the grip of an obesity epidemic. The latest figures show that two-thirds of the UK population is either overweight or obese, making Britain one of the fattest nations in Europe. Click here

Thou hast stolen both mine office and my name; The one ne'er got me credit, the other mickle blame~ William Shakespeare

At my skin clinic, since 1996 we have offered skin cancer checks. We never bothered with government grants or billing insurers. It was a community ser...

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...