Professor Christiano says the next step is to repeat the study in future research, with a larger number of patients.

VOA: special.2011.04.05

This Special English program WORDS AND THEIR STORIES was written by Marilyn Rice Christiano.

VOA: special.2011.02.06

This Special English Words and Their Stories program was written by Marilyn Rice Christiano.

VOA: special.2009.01.11

Christiano Ronaldo outscored Lionel Messi by nine goals in La Liga last year, and Real Madrid went on to score 102 goals as a team.

FORBES: Should Feats Of Messi, Ronaldo Get An Asterisk Due To La Liga's Economic Disparities?

Just ask soccer players David Beckham and Christiano Ronaldo, or American sports stars like Tiger, Kobe, Jeter, and Wade, or tennis stars like Roger Federer and Rafa Nadal.

FORBES: Selling Sex In Sports Creates Opportunities But Demands Responsibility

Despite Alessandro Faria, Jesus Fabio de Oliveira, Christiano Parreira and Jefferson de Souza playing key roles for their adopted country, Togo could only finish second in Group 5 and ceded qualification to Kenya.

BBC: SPORT | Football | African | Tunisia naturalise Brazilian