Many doctors believe this decline in hormone levels triggers the symptoms of PMS. Changes in brain chemicals or deficiencies in certain vitamins and minerals may also play a role. Too many salty foods, alcohol, or caffeine may make symptoms worse as well.
There have been countless flights made since the invention of the airplane by the Wright Brothers in 1903. It should come as no surprise that the first commercial flight in history occurred in the United States. In fact, it occurred on January 1, 1914, three years before the United States entered the first World War.
SINCE that blustery, gray mid-day in December of 1903 on the Outer Banks of North Carolina when The First Flight was accomplished by one of the Wright brothers in a powered, heavier-than-air controllable aeroplane, pretenders and contenders have risen up, each like a mythical Phoenix, to claim the laurels of being the first aviator of powered flight ...