1.   The FDA last summer stopped imports of the herb family, called Aristolochia, after reports of kidney failure from Britain and Belgium.

2.   The FDA last summer stopped imports of the herb family Aristolochia after reports of kidney failure from Britain and Belgium.

3.   The FDA stopped imports of the herb family Aristolochia after reports of kidney failure from Britain and Belgium.

4.   The herb family is called Aristolochia, and the kidney-toxic ingredient is called aristolochic acid.