Humans are an intensely social species, frequently performing costly behaviors that benefit
others. Efforts to solve the evolutionary puzzle of altruism have a lengthy history, and recent …

Highlights•Much 'parenting'is done by alloparents in our species.•Alloparenting is universal
but who helps varies somewhat between populations.•Fathering is typical but …

Although an epidemic of opioid-related overdose deaths has continued to increase in the
United States for 2 decades, the impact of opioid use disorders (OUDs) on children and …

This book offers a synthesis of social science and evolutionary approaches to the study of
intergenerational relations, using biological, psychological and sociological factors to …

Against the background of a 'new wave'of empirical studies investigating various aspects of
grandparenthood across a broad range of regional contexts, this article aims to take stock of …

In this paper, we exploit pension reform-induced changes in retirement eligibility
requirements to assess the role of grandparental childcare availability in the labor force …

Grandparenting has been proposed as an ultimate evolutionary mechanism that has
contributed to the increase in human life expectancy (see the grandmother hypothesis). The …

Background: During the first 3 weeks of the COVID-19 pandemic, the federal state of Tyrol,
Austria had one of the strictest curfews in Austria and worldwide. The aim of the current …

This study investigated intergenerational transfers by the sandwich generation towards adult
children and elderly parents. Using data on generational transmissions in Finland from a …

Now updated for its second edition, this illuminating textbook explores the developmental
stages and changes during adulthood that define some of the most pivotal years of our lives …