Ifelt like a zombie. I had memory episodes every single day - a mental blankness. It would terrify me. I thought maybe I was losing my mind."
- LORI ELBERTSON, a 41-year-old New Jersey health care administrator, who suffered memory loss during the time she was taking a cholesterol-lowering medication called Zocor; cases like hers are fueling a scientific debate over whether such drugs, known as statins, are weakening brain cells and causing cognitive disruptions as they clear away artery-clogging fat