BYU study finds diesel exhaust can contribute to poor metabolism, weight gain

PROVO — Most people understand diets full of fatty foods can affect people's health, but a new BYU study has found diesel exhaust can also contribute to metabolic diseases. The study, published in the International Journal of Molecular Sciences, found exhaust gas produced by diesel engines is tied to increased fat mass, enlarged fat cells, insulin resistance and inflammation. These changes can lead to metabolic conditions such as obesity, diabetes and heart diseases, a release from BYU says. "Two items have become increasingly clear to us: There are noncaloric influences...