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Hello and welcome to my website. I am a British-born, naturalized American, living in California. Based in Los Angeles, I work as a correspondent for BBC television, radio and digital outlets, covering everything from US politics and world affairs to technology, natural disasters and Hollywood. I also host the Live Long and Master Aging (LLAMA) podcast. My special interest is the science of human longevity - food, fasting, exercise and long-term health. All views expressed reflect my personal experiences. I advise anyone considering adopting a new diet or fitness regime to first consult with their doctor. Links on this site are to my personal portfolio of audio, video and text. Copyright of broadcast works remain with the BBC and LLAMA podcast content with Healthspan Media LLC. Thanks for the visit!

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Wednesday, June 22, 2022


Could eating algae be the secret weapon many of us have been searching for in the pursuit of longevity?  The microscopic form of life is consumed as part of a balanced diet is in some parts of the world, but it is also being hailed as a superfood that could help us age better. 

Of course there is nothing new about algae, which are photosynthetic microorganisms that live in water and grow hydroponically, that is, without soil. The common image is of an icky green film on ponds or areas of stagnant water, but algae grown specifically for consumption, are a potent source of protein and other essential nutrients. 

It has detoxifying qualities and its regular consumption is linked to a range of benefits including cell health and immune support. In this episode we meet Catharine Arnston, the founder and CEO of ENERGYbits, which makes algae tablets or “bits of whole food”.  

Read a transcript

Catharine is kindly offering LLAMA podcast listeners a 20 percent discount on EnergyBits products so that you can try algae for yourself. Just use the code LLAMA at – LLAMA will receive a small commission – it us helps cover production costs for the podcast and ensures that our interviews remain free for all to listen. 

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