Sacramento woman bought skin-lightening cream in Mexico tainted with mercury
                                
                                
                                    (Newser) -
                                    A 47-year-old woman from Sacramento, Calif., stumbled into the ER earlier this summer, slurring her speech and complaining of numbness in her face and hands. Soon after, she slipped into a semi-comatose state, which she's now been in for weeks, and health officials say they've traced the cause...