What Is The Main Cause Of Premature Extrinsic Aging?
What Is The Main Cause Of Premature Extrinsic Aging? Extrinsic causes of aging include sun exposure, smoking, poor diet, air pollution, lack of sleep, and repetitive facial expressions. Premature aging is primarily caused by sun exposure, but making healthy lifestyle choices can also help to prevent the signs of aging. What causes premature aging? Smoking.