31. Scientists have studied each stressor to determine how to minimize its effects. 32. Doctors are still encouraged to look for possible psychological stressors . 33. _The stressor executive is both a carrier and raging recipient of stress. 34. First, observing overt conflict between parents is a direct stressor for children. 35. It noted the following stressors in the relationship between the province and Canada: 36. The FDA described the potential role of confounding social stressors " unclear ". 37. First, the symptoms must clearly follow a stressor . 38. Physical stressors may produce pain and impair work performance. 39. Resistance lowers evolutionary fitness in the absence of the stressor ( Bt ). 40. The effects of a stressor or drug generally depend on the exposure time.