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Why does caffeine affect some more than others?
17 September 2026

Why does caffeine affect some more than others?

Lunchtime Live

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How many coffees do you have a day?

While many people start their mornings with a cup of coffee, some are able to swallow several espressos throughout the day, with others reduced to decaf to calm their nerves.

So, just why does coffee give some people a buzz and not others?

Joining guest host Clare McKenna to discuss is Registered Dietician at Orla Walsh Nutrition, Orla Walsh and Oliver from Wall & Keogh Teas.