Rather than hinder her, Robson said her unexpected run to the last-eight of the doubles had been a boost for her girls' singles matches.

BBC: Laura Robson sweeps into Australian Open girls' semis

Her diabetes didn't hinder her studies.

CNN: December 24, 2012 -- Updated 0455 GMT (1255 HKT)

Even if Ms Rousseff emerges politically unscathed, the investigation will probably hinder some of her plans.

ECONOMIST: Corruption in Brazil

Much was made about her knee and whether it would hinder the fast start needed off the blocks to be a contender in the race.

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Edwards' illness could hinder the campaign if it reduces the amount of time either she or her husband can spend traveling meeting voters and raising money.

NPR: Elizabeth Edwards Makes Solo Public Appearance