Retrospective Statistical Analysis Corroborates Early Results Of Randomized Breast Cancer Trials
... new treatments, randomized clinicaltrials usually pit a new cancer treatment against the standard treatment to seeif one is more effective or has fewer or more-tolerable side effects. Patientswho meet requirements and agree to enter the trials are randomly assigned intothe group getting the standard th...Engineering pits beneath London Underground tracks are helping to save lives
...lived after falling or jumping at stations with no pit (for two patients the existence of a pit was unknown). The authors say that many attempts have been made to reduce the number of deaths on th...Latest Public Policy & Aging Report forecasts possible US labor shortage
...difficult choices ahead, especially those that may pit retirees against current workers. On the other hand, Peter Cappelli of The University of Pennsylvania's Wharton School argues that such concerns are overstated. He cites evidence for the anticipation of an increased labor supply, and provides example...Unsafe water and poor sanitation causes 4000 children to die each day
...people in the world do not have access to a simple pit latrine. The authors state that although access to safe drinking water and basic sanitation can have a strong positive effect on human health, the development and management of water resources as a whole has significant health implications. Man-made ...... long-standing debate as to whether playing in the pit causes hearing loss. While most studies have teste...d they were concerned about the noise level in the pit when it came to renewing their contract," says the study's lead author, research associate Alberto B...