Feeling mentally sluggish? Having trouble concentrating? The problem might be with your blood sugar.
Dr. Berg points out that many people believe that poor memory, brain fog, or inability to concentrate are caused by stress or lack of sleep, but the real culprit is often an imbalance of blood sugar and insulin .
When blood sugar is too high, symptoms such as brain fog, drowsiness, memory loss, and headaches may occur; while when blood sugar is too low, symptoms such as anxiety, irritability, confusion, and even depression may occur.
He emphasized, "You can't concentrate on studying not because you're lazy, but because your blood sugar is controlling your brain."
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Insulin resistance: The culprit behind brain "starvation"
Dr. Berger explained that the brain can use sugar or ketones as fuel. However, long-term excessive intake of refined sugar and carbohydrates can lead to "insulin resistance" —meaning that brain cells can no longer effectively absorb glucose.
In this situation, even if blood sugar is very high, the brain still feels like it is "starving," so you will experience symptoms such as inattention, memory decline, and mood swings.
He pointed out, "Insulin resistance doesn't develop overnight; it's the result of years of accumulation. When the body becomes less sensitive to insulin, the brain gradually becomes sluggish."
Dietary strategies to improve brain focus
To restore mental clarity, the primary task is to stabilize blood sugar and reduce the frequency of insulin secretion . Dr. Berg offers three key suggestions:
- Stop eating sugar and sweet foods : including honey, agave syrup, desserts, and sugary drinks.
- Avoid snacking between meals : Every time you eat, insulin is stimulated; therefore, the fewer times you eat each day, the more stable your blood sugar will be.
- Intermittent fasting : Allows the body time to enter a state of burning fat and ketones, providing a more stable energy source for the brain.
He shared his own habits: "I only eat two meals a day, and I don't eat if I'm not hungry. If you learn to listen to your body's hunger signals instead of your schedule, your focus will improve significantly."
The traps at the dining table: eating out and refined carbohydrates
Dr. Berg warns that dining out is often the starting point for blood sugar spikes. Restaurants frequently begin with bread, desserts, and sugary drinks, which are precisely the triggers for blood sugar fluctuations.
He suggests choosing meals rich in protein, healthy fats, and vegetables , while avoiding fried foods and refined grains, to stabilize blood sugar levels and improve mental clarity.
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The fundamental way to restore brainpower
Dr. Berg concluded: "To make the brain smarter, first stabilize your blood sugar."
When the body switches to ketones as its primary fuel, the brain gains a more stable and sustained energy source, no longer relying on the short-lived stimulation of sugar. This not only improves focus and memory but also helps prevent diabetes and brain degeneration.
YouTube source: https://www.youtube.com/watch?v=Iw4v6LhJPOY
YouTube Column: Dr. Berger's Chinese Health Knowledge
