What Chinatown and Somerville have in common

Tufts gets a $2.5-million grant to study the effects of living next to a major highway in both Chinatown and Somerville:

... As part of the study, to be known as the Community Assessment of Freeway Exposure and Health (CAFEH), participants will be asked to submit written surveys and blood samples to be tested for evidence of heart and lung disease. "Many people live close to I-93 and I-95, and they may well be exposed to these tiny particles, but they aren't aware of it," says Bart Laws, PhD, senior investigator at the Latin American Health Institute. "The particles are invisible and odorless.” ...