Caffeine - friend or foe?

Most of us drink caffeine and it is in many foods too such as chocolate.

What are its impact on health? In this episode I look at the pros and cons of this ubiquitous every day legal drug.

Links:

Genetics of caffeine metabolism: https://www.sleepmattersperth.com.au/how-genetics-influence-caffeines-impact-on-sleep/

Cognitive and physical performance: https://pmc.ncbi.nlm.nih.gov/articles/PMC4462044/

Caffeine and Parkinson’s Disease: https://pmc.ncbi.nlm.nih.gov/articles/PMC7773776/

Coffee and dementia risk: https://www.nature.com/articles/d41586-026-00409-y

Coffee and Liver Disease: https://www.news-medical.net/news/20250921/Coffee-protects-the-liver-by-blocking-inflammation-and-scarring-review-finds.aspx

Caffeine as pain relief: https://www.bbc.co.uk/news/articles/cgr44j201rzo

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