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blood sugar

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·August 21, 2025·5 min read

Nighttime Brain Activity Keeps Glucose Levels in Check

A new study reveals that the brain actively maintains blood sugar stability during everyday life, not just during crises. Researchers identified VMHCckbr neurons in the hypothalamus that regulate glucose by promoting fat breakdown, especially during the early hours of sleep.

This shows an older man and symbols associated with high blood sugar.

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·July 13, 2025·2 min read

Blood Sugar, Not Age, Drives Sexual Health Decline in Men

A new study reveals that metabolic health, particularly modest increases in blood sugar, plays a bigger role than age or testosterone in declining sexual and reproductive function in men. Researchers tracked 117 healthy men over six years, assessing hormones, semen quality, erectile function, and blood sugar.

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·May 7, 2025·5 min read

Low Blood Sugar Triggers Retinal Damage, Vision Loss

New research reveals that hypoglycemia may worsen diabetic retinopathy by breaking down the blood-retinal barrier. In diabetic mice, low blood sugar increased levels of hypoxia-inducible factor (HIF), a protein linked to abnormal blood vessel growth and leakage.

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·March 27, 2025·5 min read

Type 2 Diabetes Rewires the Brain Like Early Alzheimer’s

New research reveals that Type 2 diabetes may impair the brain’s reward and memory processing in ways that mirror early Alzheimer’s disease. The study focuses on the anterior cingulate cortex (ACC), a brain region responsible for motivation and emotional regulation, and its interaction with the hippocampus.

Featured Neurology Neuroscience

·December 3, 2024·4 min read

High Blood Sugar Impacts Brain Health, Even Without Diabetes

New research reveals that elevated blood sugar levels may harm brain health, even in people without diabetes. The study showed decreased connectivity in brain networks linked to cognition, memory, and emotion regulation, with stronger effects in older adults and women.

This shows an overweight person running.

Featured Neurology Neuroscience

·June 10, 2024·4 min read

Evening Exercise Lowers Blood Sugar in Overweight Adults

Moderate to vigorous physical activity in the evening significantly lowers daily blood sugar levels in sedentary adults with overweight and obesity. Researchers found that this timing is more effective than morning or afternoon exercise for glucose control.

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·February 6, 2023·5 min read

Being Married May Help People Maintain Lower Blood Sugar Levels

Regardless of how harmonious a relationship is, married people appear to be better able to control their blood sugar levels.

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·January 26, 2023·4 min read

Why Episodes of Low Blood Sugar Worsen Eye Disease in People With Diabetes

People with diabetes who experience low blood sugar are more likely to experience worsening diabetic retinopathy.

This shows a person's hand with the index finger pointed

Featured Neurology Neuroscience

·October 22, 2022·5 min read

Hands of People With Diabetes More Often Affected by Trigger Finger

Trigger finger, a condition in which the fingers get locked into a bent position and become difficult to straighten, is more common in those with diabetes than in the general population. High blood sugar levels increase the risk of developing trigger finger, researchers say.

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·August 30, 2022·6 min read

Better Blood Sugar Control in Teens May Limit Diabetes-Related Brain Damage

Better glucose control can improve brain structure and function in young people with Type 1 diabetes.

Featured Neuroscience

·July 26, 2022·6 min read

Green Tea Extract Promotes Gut Health and Lowers Blood Sugar

For those with heart disease risk factors, daily consumption of green tea extract can reduce blood sugar levels and improve gut health by lowering inflammation and decreasing "leaky gut". Green tea extract may prove to be effective at relieving some risks of metabolic syndrome.