Where on the face dark spots appear indicates poor lung health

Generally speaking, there is no direct connection between facial pigmentation and the lungs; poor lung function usually does not cause facial spots. The detailed explanation is as follows:

Facial pigmentation is mostly related to abnormal skin pigment metabolism. Common contributing factors include ultraviolet (UV) exposure, hormonal fluctuations, genetic predisposition, etc. The primary function of the lungs is gas exchange—taking in oxygen and expelling carbon dioxide—and their physiological role is not directly linked to skin pigmentation regulation. Lung dysfunction typically manifests as respiratory symptoms such as coughing, shortness of breath, and difficulty breathing. It does not directly affect the activity of melanocytes (pigment-producing cells) in the skin, nor does it lead directly to abnormal melanin deposition that causes pigmentation. Therefore, poor lung health generally does not result in facial spots.

In daily life, proper facial sun protection is recommended. Apply sunscreen or wear sun-protective hats when outdoors to reduce UV stimulation of melanocytes. Maintain a regular sleep schedule and avoid staying up late, which can disrupt endocrine balance. Cleanse the face daily with a gentle facial cleanser to minimize buildup of oil and dirt. Increase intake of fresh fruits and vegetables rich in vitamins to support normal skin metabolism and reduce the likelihood of developing or worsening pigmentation.