For the study, published online now in The Journal of Psychiatric Research, the team looked at the rate of depression and sleep patterns of 32,470 females who had taken part in the Nurses'Health Study II.
" And now we are no longer travelling toward Japan, " I answered. " Our drift is to the south-east, or south-south-east, at the rate of at least two miles an hour" .
Whoever will examine with attention the different town and country houses of some of the richest and greatest families in this country, will find that, at the rate of only six and a-half, or seven per cent.
Thus the harvesting machine " pushed the frontier westward at the rate of thirty miles a year, " according to William H. Seward. It made American and Canadian agriculture the most efficient in the world.
But the consumption of Birmingham alone, at the rate of fifty thousand pounds a-year, is equal to the hundred-and-twentieth part of this annual importation, at the rate of six millions a-year.