How I went from being a tired and grumpy man to happier than ever in my 60s - Tim Spector

Opinion byTim SpectorDaily Telegraph UK·30 Oct, 2026 05:00 AM7 mins to readTim Spector is an award-winning scientist, a best-selling author, and a professor in genetic epidemiology at King’s College London.Tim Spector swapped out ultra-processed junk and convenience foods for healthier whole foods. Photo / DepositPhotosI was living on ultra-processed junk foods that were wrecking my mental health and sleep, but changing my diet made a huge difference. Like many men, I’m sure, there have been periods when I’ve struggled with a persistently low mood. Mine started in my 30s, when I was often tired