Decline in people in UK dying from heart attacks

The video emphasizes the critical importance of rapid treatment for heart attacks, highlighting the concept of the 'golden hour' where immediate medical intervention can significantly improve survival rates. Advances in treatment, particularly those pioneered at Hammersmith Hospital, have led to a substantial decrease in heart attack fatalities. Personal stories, like that of Tim Lothian, underscore the role of lifestyle changes in preventing heart disease. Despite progress, heart disease remains a leading cause of death, with challenges like diabetes and obesity still posing significant threats.

What are the main factors contributing to heart disease as mentioned in the text?

What does the text suggest is necessary to reduce the number of heart disease cases in the nation?