High air humidity (relative humidity over 80%), what effect will it have on people's nasal cavity and respiratory function? What effect will it have on the skin?

The humidity that the human body feels comfortable is 40%-60%. When the air humidity is 55%, germs are difficult to spread; But if the air humidity exceeds 65%, people will feel chest tightness and have difficulty breathing. When the humidity is too high, humid air can easily lead to rheumatism and tracheitis. If the relative humidity reaches more than 80%, it will hinder people's evaporation and heat dissipation, which will adversely affect people with kidney disease, tuberculosis and chronic waist and leg diseases. If it exceeds 90%, it will make people's respiratory system and mucous membrane uncomfortable.