Modern life is making us unhealthy

Lee transformed his health by losing 5 stone in 16 weeks through regular exercise and better eating. Motivated by his family, he aims to stay active for his son. After taking the NHS quiz, he realized the importance of fitness, especially after 40. Experts highlight modern life's impact on health. Lee plans to maintain his progress and run the Manchester Marathon.

What environmental factors are mentioned as influencing lifestyle choices?

What is the individual's ambition for 2017?