Stay in an air-conditioned room every day, what effect will it have on your health? Will you get rheumatism?

Staying in an air-conditioned room all the year round, it is difficult to adapt to the outside climate and it is easy to catch a cold. . . . The body's resistance will also be relatively reduced. . . Moreover, central air conditioning is easy to cause respiratory diseases and flu. . . . You'd better put a basin of water in the bedroom! ~ ~ The window is also open for air! ~~