A Body to Die for. By Richard Jerome PEOPLE EDITORIAL GUIDELINES Published on October 30, 2000 LISA PETERSON She had faith in a suspect herbal supplement Her husband, John, by her side, Linda Peterson gently rocks Meeka, the mixed-breed shih tzu that belonged to their only child, Lisa, who died last fall at 26. “We think Meeka may have some of Lisa’s spirit,” says Linda, 52, a high school science teacher who lives in Ozona, Fla. A marketing specialist for a brokerage firm, her 5’9″ daughter had a fondness for Picasso prints and Victoria’s Secret catalogs—as well as burritos, chocolate and Brie, which helped push her weight to 180 lbs. In 1997 Lisa resolved to reduce. “My family is overweight,” says John, 52, a mattress distributor. “I think it concerned her.” Adds Linda: “The self-image wasn’t there. Being thin is important in business or meeting men.” Lisa devoted herself to a Jenny Craig diet and the gym. The regimen seemed to work. She lost 35 lbs. and in 1998 started datin