How does a BMI of 27 affect my health risks?

Reviewed by Yoshinori Abe, MD

Internal Medicine

A BMI of 27 falls within the overweight range (25.0–29.9), according to standard health classifications. While BMI is just one measure of health, a BMI of 27 may be associated with an increased risk of conditions such as high blood pressure, type 2 diabetes, heart disease, and certain cancers. Research also suggests a modestly higher risk of mortality compared to those in the normal BMI range (18.5–24.9).

However, BMI doesn't account for factors like muscle mass, body composition, or where fat is distributed—so it shouldn't be used alone to assess your overall health. If you're experiencing symptoms or have concerns about weight-related health risks, taking a free, instant, online symptom check can help you understand what's going on in your body and guide your next steps. It takes just a few minutes and provides personalized insights based on your unique situation—an easy, informed first step before speaking with a doctor.

Reviewed for medical accuracy: 07/20/2026

Important Next Steps

Learn if BMI 27 affects your health Discover likely causes of BMI 27 concerns See if BMI 27 needs care today Find OTC options for BMI-related concerns Find a doctor for weight-related health Understand home remedies for BMI 27 Find out what BMI 27 means

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Explanation

A Body Mass Index (BMI) of 27 places you in the overweight category. Being overweight can be linked to an increased risk of certain health problems.

Health Risks:

Increased Mortality Risk: Research suggests that a higher BMI is associated with an increased risk of mortality. This means that being overweight might slightly increase the chances of health-related issues that could affect lifespan.
Chronic Diseases: Overweight individuals may have a higher risk of developing conditions like heart disease, diabetes, and certain types of cancer.

Considerations:

It is important to look at other factors like diet, exercise, and overall lifestyle.
Regular check-ups with a healthcare provider can help manage and mitigate these risks.

Maintaining a healthy lifestyle with balanced nutrition and regular physical activity can help manage your BMI and reduce associated health risks. If you're experiencing any symptoms or health concerns, take our free AI-powered symptom checker to better understand your health and determine if you should consult with a healthcare professional for personalized advice.

(References)

Singh PN, & Lindsted KD. (1998). Body mass and 26-year risk of mortality from specific .... Epidemiology (Cambridge, Mass.), 9583415.
Dorn JM, Schisterman EF, Winkelstein W Jr, & Trevisan M. (1997). Body mass index and mortality in a general population .... American journal of epidemiology, 9400333.
Global BMI Mortality Collaboration, Di Angelantonio E, Bhupathiraju ShN, Wormser D, Gao P, Kaptoge S, et al. (2016). Body-mass index and all-cause mortality. Lancet (London, England), 27423262.

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