How deadly is obesity, really?

Obesity is more deadly than previously thought, with Australian research finding those with a BMI over 30kg/m2 have a 40% higher risk of sudden cardiac death than normal-weight people.

The risk is highest in those who are obese from a young age.

And most episodes of sudden cardiac death occur in patients with no other risk factors and seemingly normal hearts.

The systematic review and meta-analysis of 12 studies including 1.4 million people was presented this week at the European Society of Cardiology Congress in Barcelona.

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