1.   A growing band of researchers claim that smoking is the cause, not the consequence of clinical depression and several forms of anxiety.

2.   Gallaway also questions whether the new study really provides evidence that poaching is as widespread as the researchers claim.

3.   In Germany, researchers claim MRI reduces the number of surgical biopsies needed to make diagnoses.

4.   The researchers claims were met with skepticism by some scientists, who said the data from the Fairfax institute was not conclusive.