Inside Help. Bensalem police are enlisting hairstylists in their effort to halt domestic violence; "Women will tell their hairdressers things they'd never tell anyone else," said Officer Marilyn MacDougall . . . Diabetes. It soared 33 percent nationally - 70 percent among people in their 30s - during the 1990s, according to poll results published in the journal Diabetes Care; health experts blame widespread obesity . . . Top-rated. Wednesday night's finale to the CBS series "Survivor" attracted more viewers (51.7 million) than any TV program this year except the Super Bowl . . . High School Smoking. It dropped slightly last year (to 34.8 percent) after rising for most of the decade, the government said.