Age spots on the face occur because of bad environment, say experts from Laznickova Institute of environmental medicine. And not last role is played by exhaust gases. That's why the dark spots occur more often in people who had lived all his life in cities, says The Times of India.
Exhaust is a combination of many chemicals, including nitrogen dioxide and microscopic particulate matter. Known about the impact of exhaust gases on the likelihood of developing cancer and lung diseases. Communication about harmful chemicals with skin manifestations at the moment not much is known.
Scientists have found that nitrogen dioxide in comparison with solid particles has a stronger impact on the probability of occurrence of pigmentary stains on the person. Interestingly, the link between the latter and the exhaust gases has not been established.