PremiumHiro TanakaDaily Telegraph UK·31 Jul, 2026 10:00 PM8 mins to read"Most people think of heart disease as a problem with the heart. It is really a problem with the blood vessels." Image / GettySwimming softens the arteries, sends blood to the brain and doesn’t wreck your knees, writes Professor Hiro Tanaka.

If you want to protect your heart in old age, get in a pool. I have spent 30 years at the University of Texas at Austin studying how the cardiovascular system responds