Best-selling senior doctor and nutritionist shows how, simply and practically, we can greatly reduce the risk of mental decline with ageing as well as halving the risk of Alzheimer's disease and preventing and even treating depression. 

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In this free 20 minute DVD (the price covers cost of materials, copying and postage only) Dr Ryan explains the revolutionary discoveries behind the message of The Brain Food Diet.  You will quickly discover that the message is main-stream medical science and exceedingly simple to grasp.  Yet it might well change your life.

Please note this is not a commercial DVD.  It's a recording of Dr Ryan giving a short illustrated talk on the book. 

Acclaimed science and medical writer challenges the belief that evolution happens solely through mutation plus natural selection.  Ryan's views have now been extrapolated to a series of major scientific papers, leading to important changes in our perspectives of how evolution happens.  Ryan is a Fellow of the Linnean Society of London as well as the Royal College of Physicians and the Royal Society of Medicine.

It is no exaggeration to say this book has changed evolutionary theory as well as the medical applications in the age of gene therapy.