I often say that field scientists are impervious to cold, heat, bad food and general discomfort.

The experiment was immediately followed by headache lasting for some hours, general discomfort of the system, and half an hour after by slight shivering fits.

Sometimes other symptoms may occur, such as fatigue, fever and a general discomfort or sick feeling.

Since service began, there have been many complaints about the trainsets, citing general discomfort, together with seating that faces opposite the direction of travel.

The most common symptoms are general discomfort, headache, stomach awareness, nausea, vomiting, pallor, sweating, fatigue, drowsiness, disorientation, and apathy.