About Understanding Ageing

Understanding Ageing exists to explain how ageing actually works. Not as decline, but as biological change.  Many people are told either 'this is just ageing' or 'this is something serious' without any context. This site sits between those extremes.

Founders

Ezra Mordecai

Co-Founder
Ezra is a UCL science graduate with over 30 years’ experience in sales and marketing across consumer, digital, and purpose-led sectors. He is currently a director of a successful online jewellery business, leading growth and brand development.

Earlier in his career, he worked in cause-related marketing with major brands and charities, delivering commercially successful campaigns aligned with social impact.

Born in the 1960s, Ezra co-founded Understanding Ageing to address the lack of clear, evidence-based explanations about what changes are normal with age, replacing confusion with clarity and practical understanding.

Simeon Cohen

Co-Founder
Simeon is a senior technology and resilience leader with more than 25 years’ experience in large-scale financial and regulated environments. As Head of Technology Resilience at a global banking institution, he focuses on continuity, accuracy, and system reliability.

Born in the 1960s, he co-founded Understanding Ageing to address the gap between the information people need and the information often available to them.

Within the platform, he shapes how content is structured and prioritised, ensuring it remains clear, dependable, and practically useful.

Dr Shara Cohen

Co-Founder
Dr Shara Cohen is a scientist, writer, and public educator. She holds a PhD and has worked throughout her career at the intersection of biology, health, and public understanding.

Born in the 1960s, she co-founded Understanding Ageing to provide clear, evidence-led explanations of common age-related changes, avoiding fear-based narratives and unnecessary medicalisation.

Across her work, her emphasis is on empowering people with knowledge, context, and proportionate interpretation of evidence.

Authors

Dr Karan Kanhai

MD, PhD
Dr Karan Kanhai is a UK-registered physician and global medical affairs leader with over 20 years’ experience across oncology, haematology, and rare disease.

He has led international medical strategy and clinical programmes across Europe, the United States, and Asia-Pacific, with expertise in clinical trial design and regulatory strategy.

As an author on this page, he provides clinical oversight and specialist insight, ensuring that complex medical information is presented with scientific rigour and clarity.

Understanding Ageing

An evidence-based platform dedicated to explaining how and why the body and mind change over time, separating normal biological ageing from disease. The site translates complex scientific research into clear, practical guidance, helping readers understand what is typical, what may require medical attention, and how lifestyle, environment, and genetics interact across the lifespan. With a focus on clarity, credibility, and proportion, it provides structured articles, expert insights, and accessible explanations designed to support informed decision-making rather than fear, stigma, or oversimplification about growing older..
Evidence-Based. Clinically Referenced. Indepenently Reviewed.
All Rights Reserved. Understanding Ageing©. Part of Honnao Ltd, Registered in England and Wales, Company number: 12345498. Trading Address: Highstone House, 165 High Street, Barnet, Herts. EN5 5SU, UK.
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