Girls are entering puberty about a year earlier than they did back in the 1970s, according to global data on breast development. Obesity and endocrine disrupting chemicals could be contributing to the trend.
Amie Lund, a cardiovascular toxicology researcher with the University of North Texas, has found that exposure to certain air pollutants may cause weight gain, especially when coupled with a high-fat diet.
Two communities — one in Canada, one in the U.S. — share both a border along the St. Marys River and a toxic legacy that has contributed to high rates of cancer. Now the towns are banding together to fight a ferrochrome plant.