91.   When compared to air samples from American cities, including Los Angeles, the Mexico City results show much higher concentrations of the LPG hydrocarbons, the study said.

92.   Foreign direct investment sparks job creation, exports and overall economic development, said the study.

93.   Gene mapping has already allowed scientists to discover that not all human chromosomes have the same number of genes, the study said.

94.   HIV prevalance in French prisons is about ten times that of the general population, says the study.

95.   The reasons for the differences were not apparent, said the study.

96.   The trigger for the cancer could be the chemicals used to preserve processed meats such as hot dogs, say the studies.

97.   The condition known as valsalva retinopathy has also been linked to other strenous activities, including weightlifting, prolonged vomiting and severe coughing, the study said.