In comparison, the potential exposure to BPA from use of dental sealants on a child of average weight, based on the assumptions above, is 0.037 milligrams per kilogram of body weight. This exposure level is more than 50,000 times lower than the LD50 values that have been reported for BPA.
U.S. expectancy in 2011 was 78.7 years, which is slightly below the OECD average of 80.1. For U.S. men, the average life expectancy is 76, while it's 81 for U.S. women. (At five years, this gap in life expectancy between men and women is smaller than the OECD average of six years). The U.S. life expectancy comes in just behind Slovenia, at 80.1 years, and Denmark, at 79.9 years.
They tried to link these changes in weight category with various health conditions. This is what they found: Women who did not have any health conditions and were at a âhealthyâ weight at age 65 had a life expectancy of 22.1 more years. They spend an average of 9.6 of those years overweight and 5.3 in fair or poor health.