DNA

Henrietta Lacks' family was never consulted before her genetic information was made public. Author Rebecca Skloot, who chronicled the story of her cells, says current regulations aren't covering the privacy questions that come up for people like the Lacks family.

Researchers found a surprising number of mutations, including several associated with disease, in the genes of normal healthy people. Their study raises questions about whether widespread genetic sequencing could end up scaring people for no good reason.