Why sugar may undermine meditation and massage, even when you feel calm

MedicalXpress | avr. 07, 2026

A bit of sugar before a class test, a piece of chocolate before an important negotiation, a muesli bar before a marathon—the important role glucose plays in coping with stressful situations has been well researched. When we consume sugar, the body reacts more strongly to stress by releasing more cortisol. In addition, our heart rate remains elevated for longer. This means that more energy is available in acutely stressful situations. The negative long-term consequences are also well known: increased risk of high blood pressure, obesity and cardiovascular disease.