CLEAN : Outdoor swimmers brave near-freezing water as snow hits London

The video discusses the personal and health benefits of swimming, emphasizing its positive impact on mental and physical health. It highlights the psychological relief and sense of achievement gained from swimming, whether in a wetsuit or swimsuit. The speaker shares their routine and how swimming helps clear the mind and boost energy levels.

What does the speaker mean by 'controlled stress' in the context of swimming?

In what ways does swimming contribute to the speaker's mental health?

What does the speaker say about the sense of achievement after swimming?