The most important principle is for travelers to begin all activities, including eating and sleeping, at the destination's time as soon as possible. Motion sickness from travel by sea, air, car, or train can cause nausea, sweating, salivation, and vomiting. It occurs in women more than men, inexperienced travelers more than experienced travelers, and passengers more than drivers. There are many treatments for this common travel ailment as well. Administrators could provide information or recommend that the students research the subject themselves.
Diarrhea is among the most common of all medical problems related to travel.
All travelers, and especially those visiting tropical or semitropical developing countries, need to understand how to minimize the risk of becoming ill and how to treat illness that does occur in order to minimize discomfort, disruption of travel plans and more serious complications. This disease remains a problem throughout much of the tropics causing illness and death for the indigenous population as well as travelers.