Tag: Glucose consumption

The human brain, despite making up only 2% of a person's body weight, astonishingly consumes about 20% of the body's total energy supply. This energy is almost exclusively derived from glucose, a type of sugar. This intensive use of glucose highlights the brain's critical dependence on a steady supply of this vital fuel source, raising the crucial question: how many grams of sugar does the brain use per day?

According to research published in the journal *Current Biology*, intense mental labor can lead to the buildup of metabolic byproducts in the brain, which contributes to feelings of fatigue and may increase appetite. This phenomenon, often called 'brain hunger,' directly answers the question: does studying hard make you hungrier? Yes, for several key physiological and psychological reasons.

Though it makes up just 2% of your body weight, the human brain is a metabolic powerhouse, consuming up to 25% of the body's resting energy. This astonishing fact naturally leads to the question: how many calories can a brain burn, and does engaging in intense mental work significantly increase this consumption?