The mask-induced adverse changes are relatively minor at first glance, but repeated exposure over longer periods…is relevant. Long-term disease-relevant consequences of masks are to be expected… With correspondingly repeated and prolonged exposure to physical, chemical, biological, physiological and psychological conditions, some of which are subliminal, but which are significantly shifted towards pathological areas, health-reducing changes and clinical pictures can develop such as high blood pressure and arteriosclerosis, including coronary heart disease (metabolic syndrome) as well as neurological diseases…