Tennis star Elizabeth Profit , 13 , ranks high in her age group ; to turn pro next year . Elizabeth has juvenile diabetes , manages it ; ` ` I do n't make excuses , '' she says . Sister Mary , 11 , also a rising tennis star , watches over her older sister . ` ` You do n't have to let life pass you by , '' Elizabeth tells others with diabetes .
Tennis player Elizabeth Profit , 13 , ranks high in her age group ; to turn pro next year . Elizabeth has juvenile diabetes , manages it ; `` I ca n't make excuses , '' she says . Sister Mary , 11 , also a rising tennis star , watches over her older sister . `` You do n't want to let life pass you by , '' Elizabeth advises others with diabetes .