Volunteer doctors of the Himalayan Rescue Association educate trekkers about altitude sickness, and treat villagers in the Annapurna and Mt. Everest trekking regions.
Preventative measures can help minimize the chance of contracting diseases such as malaria, swine flu, dysentery, cholera, yellow fever, typhoid, and others.
International volunteers might spend a couple of weeks, several months, or even longer, abroad. Coping with culture shock requires flexibility, sensitivity, and humor.