I m a furniture installer, what is the reason for a bad cold for a long time? Is it formaldehyde poi

In fact, if you have a long-term cold, the most important thing is to go to the hospital to find out the cause, followed by improving your physical fitness, supplementing nutrition, and buying some vitamins to balance it. You are often exposed to furniture installation, the probability of exposure to formaldehyde is higher than the average person, and it is generally a new house, and the newly renovated house is heavier than formaldehyde and benzene and other toxic substances.