The British Heart Foundation statistics suggest that Scots are most likely to dig deep for good causes - while Londoners are the least likely to donate money.

BBC: Scots are 'most charitable'

Other than the most likely cause, what are other possible causes for my symptoms or condition?

CNN: Occupational asthma

Other than the most likely cause, what are other possible causes for my symptoms?

CNN: Myoclonus

"The most likely explanation is that prolonged cannabis use causes the (receptors) to lose sensitivity and become inactive, " says Daniele Piomelli, a professor of pharmacology at the University of California, Irvine, who was not associated with the new research.

CNN: Marijuana: The next diabetes drug?