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Supporting Content

• How much exercise should you really be doing?

  Chris and Xand investigate the science of exercise and the dangers of inactivity.

  

• Does willpower even exist?

  Chris and Xand examine the slippery concept of willpower.

  

• Can people really change?

  Drs Chris and Xand explore if people can change and how they do it.

  

• How I learned to lose weight and stop fighting with my family

  Dr Xand van Tulleken on his mission to quit eating ultra-processed food.