If you are traveling for work, the trip may be part of the stress. Even if you are taking a vacation for the purpose of relaxation, the trip can be stressful. Stress can affect your immune response, which can put you at risk of contracting infectious diseases. Regardless of your purpose for traveling, sickness can interfere with it. Here are some types to make air travel safer, healthier, and more relaxing. 1. Decompress Before Getting on the Plane Because travel can be stressful, ...