Is being a chef harmful to the body? For people who work as chefs for a long time, most of the oil fumes are harmful to the human body. First, the respiratory mucosa is irritated by oil fume stains, which in turn damages lung function; the oil fume also irritates the eyes and nasal mucosa, causing related symptoms; in addition, the kitchen is relatively closed and is baked at high temperatures, so the heat has nowhere to dissipate, especially in midsummer. For example, if you work in a "steamer", being heated will cause your heart rate to increase, your blood pressure to rise, and excessive sweating to cause a decrease in renal blood flow, which in turn will damage your kidney function. Due to your occupation, you will not eat in time, and you are prone to stomach problems and obesity. Alcoholic liver, so cook is harmful to the body.