By Liz Szabo Although Rashida Wilkins is only 18, she has already weathered eight years of cancer therapy, including four brain surgeries, six weeks of radiation and nearly two years of chemotherapy. She knows she should follow her doctors' advice.

By Nicole Kauffman, Herald-Times, Bloomington, Ind. Dec. 18--Mark Helmsing doesn't stand in front of his Core 40 English class lecturing and passing out homework assignments.