It has long been believed that seasickness is the result of the motion of the ship affecting the semicircular canals, the organ of equilibrium in the internal ear.
I was aboard the U. S. S. Great Northern, en route from Brest, France, to New York, May 2 to 9, 1919. This ship was carrying troops, and was making a record for the round trip to Europe. With her high, speed and light forward ballast, although she pitched or rolled very little, she had a very pronounced plunging motion, with the rising and falling motion predominating. As a result of this accentuated rise and fall, about 90 per cent. of the troops, and a considerable number of the crew, were more or less seasick; and at least 700 were in very great distress.
I had put in three years in Newfoundland; had not been seasick for years, and was not sick