Recommended by: James Moffett, lead manager for the Scout International Fund (UMBWX) and the Scout International Discovery Fund (UMBDX)

"Unfortunately, as people get older they tend to get diabetes," a condition that can hurt the kidneys, Moffett says. With 2010 sales of $12.1 billion, Fresenius Medical Care (FME:GR) is the world's largest provider of kidney dialysis services and products. Moffett cites the German company's steady growth in sales—and especially profits, with net income more than doubling since 2005.