Updated On: 31 December, 2025 06:55 AM IST | Texas | Agencies
The participants, who had no history of heart disease and no active cancer, underwent the same Positron Emission Tomography/Computed Tomography (PET/CT) scan

Stress rises with more exposure. REPRESENTATION PIC/ISTOCK
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Exposure to artificial light at night causes increased stress activity in the brain, inflammation in the arteries, and a greater risk of heart disease.
The participants, who had no history of heart disease and no active cancer, underwent the same Positron Emission Tomography/Computed Tomography (PET/CT) scan. The study included 450 adults.