Bochen Cao - Estimating the Effects of Weight and Weight Change Using a Dynamic Causal Model      Stephen Cranney - Religion as a moderator in the fertility/happiness relationship     Arun Hendi - Trends in U.S. Life Expectancy Gradients:  The Rold of Changing Educational Composition     Li-Chung Hu - Protection or Selection for Marital Transition and Self-Rated Health? Evidence from China    Theresa Fedor - Changing Attitudes and Beliefs towards HIV/AIDS: The Effect of Differential Exposure to HIV Prevention Programs    Thomas Anderson -  Untangling Puzzles:  Socioeconomic Development, Gender Equity & Low Fertility        Collin Payne - Aging in the Americas:  A cross-national comparison of disability-free life expectancy in the United States, Costa Rica, Mexico and Puerto Rico