Archive · 15 Dec 2025
Normalizing Blood Glucose Cuts Heart Risk in Prediabetics
A new study found that if people with prediabetes can get their blood sugar levels back to normal through lifestyle changes, it can greatly reduce their risk of heart problems and early death.
The researchers looked at data from over 2,400 people over many years and found that keeping blood sugar levels under 97 mg/dL after fasting was a good way to predict a lower risk of heart disease.
This is important because it shows that treating prediabetes early can have big benefits for heart health.
The study suggests that doctors should aim to help people with prediabetes get their blood sugar back to normal levels to prevent heart problems in the future.
The findings also indicate that lifestyle changes alone may not be enough, and medical interventions might be necessary for some people.
Normalizing blood glucose in prediabetics may halve the risk of heart attack, heart failure, and premature death.
A fasting blood glucose level under 97 mg/dL is a key marker for lower heart disease risk.
The study analyzed long-term data from over 2,400 prediabetic individuals, showing a 50% reduction in cardiovascular death risk.
Researchers suggest adding sustained normal blood glucose levels as a fourth pillar of cardiovascular prevention.
The findings indicate that early intervention in prediabetes can have long-term benefits for heart health.
- Who
- Researchers from the US, China, and Germany, led by Dr. Andreas Birkenfeld
- What
- Study on the impact of normalizing blood glucose in prediabetics on heart disease risk
- When
- Study followed participants for 20-30 years
- Where
- Data from the US and China
- Why
- To understand the long-term benefits of prediabetes remission on cardiovascular health
Lifestyle Changes Alone
Medical Intervention
Effectiveness in Managing Prediabetes
Lifestyle Changes Alone
Lifestyle changes like exercise, weight loss, and dietary improvements are valuable but may not be sufficient to reduce cardiovascular risk in prediabetics.
Medical Intervention
Medical interventions, such as prescribing metformin or weight loss drugs, may be necessary in high-risk cases where lifestyle changes are not effective enough.
- Study Focus
- Impact of normalizing blood glucose in prediabetics on heart disease risk
- Key Finding
- Normal blood glucose levels halve cardiovascular death risk
- Threshold
- Fasting blood glucose under 97 mg/dL
- Study Duration
- 20-30 years
- Participants
- Over 2,400 people with prediabetes
- Author
- Dr. Andreas Birkenfeld
- Journal
- The Lancet Diabetes and Endocrinology
- Prediabetes Range
- 100–125 mg/dL
- Heart Disease Risk Reduction
- 58% lower risk of cardiovascular death or hospitalisation for heart failure
Sources
Study finds normalising blood glucose with lifestyle could halve heart disease risk in prediabetics
Normalising Blood Glucose In Prediabetes May Cut Cardiovascular Risk By Half: Study
