Oxygen is less at higher altitudes. The inclement weather and high altitude induces certain illnesses generally not encountered over the plains. Headache, nausea, lassitude, lethargy, breathlessness, general uneasiness (malaise), high irritability, light loss of balance, disorientation, incoherence and insomnia are to name among a few. It is common to all irrespective of age, sex and physical fitness. Gradual acclimatization is the best answer. Tranquilizers, sleeping dosages and strong antibiotics must be avoided. Some symptoms do indicate that the body mechanism is readjusting to new environment.
