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Heart Health and BMI: What the Research Shows
BMI Health Team 7 min read3 April 2026
The Link Between BMI and Heart Health
Research consistently shows a strong correlation between elevated BMI and increased cardiovascular risk. Understanding this connection can motivate healthier choices.
How Excess Weight Affects Your Heart
Carrying excess weight forces your heart to work harder to pump blood throughout your body. Over time, this can lead to:
The Numbers
Studies show that for every 5-unit increase in BMI above 25, the risk of coronary heart disease increases by approximately 29%. A BMI above 30 is associated with a 2-3x higher risk of heart failure.
The Good News
Even modest weight loss of 5-10% of body weight can significantly improve cardiovascular risk factors. This means a 90 kg person only needs to lose 4.5-9 kg to see meaningful health improvements.
