41.   An alternative explanation might be that pregnancy increases the risk of gall stone formation only transiently.

42.   There was no evidence in these miners that a radon-rich atmosphere increased the risk of any cancer other than lung cancer.

43.   Atrial fibrillation, with its constantly varying RR intervals and varying action potential durations, also seems to increase the risk of proarrhythmia.

44.   But unsuccessful outpatient treatment can significantly increase the risk that the patient will become invalided at home.

45.   The defendants had increased the risk of particular damage occurring and that damage had occurred.

46.   Early sexual relationships and lack of care were associated with each other in increasing the risk of depression.

47.   There is a distinct possibility that perinatal trauma interacts in some way with an inherited predisposition towards schizophrenia to increase psychiatric risk.

48.   A leading climatologist has claimed that global warming will increase the risk of structural damage to buildings and will need to be tackled with new building regulations.

49.   This will dramatically increase the risk of subsidence and will affect central, eastern and southern England in particular.

50.   The legislation stated that the plant posed serious environmental hazards and increased the risk of nuclear proliferation.