Political pronouncements and policy statements include much conjecture concerning the
health and behavioral effects of economic decline. We both summarize empirical research …

Stress is ubiquitous and thus, not surprisingly, many hypotheses and models have been
created to better study the role stress plays in life. Stress spans fields and is found in the …

The sex ratio at birth (SRB; ratio of male to female live births) imbalance in parts of the world
over the past few decades is a direct consequence of sex-selective abortion, driven by the …

BACKGROUND: The human secondary sex ratio reportedly falls in populations subjected to
exogenous stressors such as earthquakes or political and social upheavals. Explanations of …

Fetal health is an important consideration in policy formation. Unfortunately, a complete
census of fetal deaths, an important measure of overall fetal health, is infeasible, and …

Background The secondary sex ratio (ie, the odds of a male birth) reportedly declines
following natural disasters, pollution events, and economic collapse. It remains unclear …

However, the statistical analysis underlying Kanazawa's claims has been shown to have
basic flaws, with some of his analyses making the er ror of controlling for an intermediate …

BACKGROUND: Natural and man-made disasters as well as declining economies appear to
coincide with reduced odds of male live births among humans (ie lower secondary sex …

Background The ratio of male to female live births (ie the sex ratio) reportedly falls when
populations suffer rare and extreme ambient stressors such as the collapse of national …

As natural experiments, famines provide a unique opportunity to test the health
consequences of nutritional deprivation during the critical period of early life. Using data on …