In some countries, mortality has decreased in men but increased in women. In diabetic rats, taurine significantly decreased weight and decreased blood sugar. However, population size has since significantly decreased due to hunting and habitat loss. Burn prevention programs have significantly decreased rates of serious burns. Since then their role has decreased significantly. However, it has significantly decreased in size since its discovery. Rates for international calls had also decreased significantly. The housing prices decreased significantly in 2008. However, since 2015, the number of demonstrators has decreased significantly. "T" can be significantly decreased by addition of plasticizers into the polymer matrix. During the Industrial Revolution, child mortality decreased dramatically. This percentage has, however, decreased substantially since then. Speed decreased slightly, but handling improved. That dominance has decreased substantially in recent decades. As a result, manumissions decreased dramatically in the South.