Experiments on rodents and primates have shown that NGF can reverse memory loss.

BBC: 'Brain cell transplant' for Alzheimer's

Having announced the pre-sale of its PlayBook tablet on Tuesday, the company is putting its chips on international smartphone users and its audience-specific tablet to reverse the loss of market share it has been suffering at the expense of Apple iPhones and Google fueled Android devices.

FORBES: RIMM Earnings Preview: Growth Coming From International Blackberry Sales

"Obviously, we shouldn't be thinking about spending more in the same way to try and reverse this job loss, " House Whip Eric Cantor, R-Va.

FORBES: Financial Reform

The Six Nations champions, who won a fourth Grand Slam in five years this year, will hope to reverse their 2006 final loss to the Black Ferns.

BBC: Women primed for Rugby World Cup kick-off in England

Guillermo Coria, ranked eighth in the world, will have to bounce back in his reverse singles on Sunday after an opening loss to Beck when he faces Slovak number one Dominik Hrbaty.

BBC: SPORT | Tennis | Underdogs seize Davis Cup leads

Prompt treatment can usually reverse symptoms of gingivitis and prevent its progression to more serious gum disease and tooth loss.

CNN: Gingivitis