New rules for grass-fed cows; job stress and a repeat heart attack; hearing-loss warning on erectile dysfunction drugs; C-reactive
protein and blindness; the not-so-useless appendix (pages 2, 3)
NEWS; SAY YES, SAY NO
High lead levels can threaten adults (page 3)
Safer shopping; heavy-duty nachos; smart Super Bowl snacking; over-the-counter overload; the helpful pedometer (page 3)