41.   Research also focuses on how to prevent people from developing PTSD in the first place.

42.   Some new research focuses on the pressures on physicians in countries where they know torture goes on but feel powerless to do much about it.

43.   The earlier research focused mainly on saturated fat, cholesterol and total fat intake as the chief dietary factors.

44.   The problem is that research has focused only on the virus.

45.   The research also focused on how to stabilize the materials so they could be used in the mass production of a vast array of consumer products.

46.   The research focuses on whether Wall Street earnings estimates are sustainable.

47.   The research focused on three kinds of cancer, but the scientists are confident that the battery can be extended to catch most major types of cancer.

48.   The research focuses on insulin-dependent diabetes, or type one diabetes, an autoimmune disease that destroys insulin-producing cells.

49.   The research will focus on drugs which influence brain cell and fat cell receptors to regulate food intake and energy expenditure.

50.   The research focused on the differences between those who lived and those who died.