Could Babysitting Grandkids Help You Live Longer? Study Says Yes

Exploring the Surprising Health Benefits of Grandparents Babysitting

A recent study from the Berlin Aging Study has shed light on an intriguing aspect of eldercare. Focusing on older adults aged 70 and above in former West Berlin, the study meticulously tracked 516 participants until 2009, revealing that grandparents who babysit might not only enjoy their time but could also extend it. This comprehensive investigation highlights the potential life-extending benefits of caregiving by grandparents.

How Babysitting Grandkids Could Add Years to Your Life

The findings from the Berlin Aging Study provide compelling evidence that babysitting grandchildren is more than just a family duty; it significantly influences the health and longevity of grandparents. Those who regularly care for their grandchildren were found to have a 37% lower risk of dying during the study period compared to their peers who weren’t engaged in caregiving.

To understand the significance of these findings, it’s essential to delve into the concept of the ‘mortality hazard ratio.’ A hazard ratio in this context is a measure used in observational studies to compare the risk of death between two different groups of individuals. Here, a mortality hazard ratio of 0.63 for caregiving grandparents means that their risk of mortality is 37% lower than those who do not engage in caregiving activities. This statistical measure helps quantify the protective effects of grandparental babysitting on survival rates.

Caregiving’s Extended Impact Beyond Grandparenting

The positive effects of caregiving extend beyond those who have grandchildren. The study also looked at older adults without grandchildren who provided support to others in their social networks. Remarkably, this group exhibited an even more pronounced benefit, with a hazard ratio of 0.40. This indicates a 60% lower risk of mortality compared to peers who did not engage in any caregiving or supportive activities.

This broader caregiving engagement reflects how vital social connections and active participation in the welfare of others can be to the health and longevity of the elderly. It suggests that the act of caregiving itself, whether within the family or in a larger community setting, activates health-promoting mechanisms that significantly decrease mortality risk.

Exploring the Physiological Effects of Babysitting Grandkids

The health benefits associated with caregiving may stem from activated neural and hormonal systems. These biological responses enhance the caregiver’s overall well-being. Studies suggest that engaging in caregiving tasks can trigger positive hormonal changes. This includes the release of oxytocin, often referred to as the ‘love hormone,’ which is known for its stress-reducing and mood-enhancing properties.

Moreover, caregiving can lead to improved physical and cognitive function. Regular interaction with grandchildren or community members requires mental and physical activity. This keeps the brain and body engaged. Health measures like comorbidity scores, which reflect the presence of additional diseases, and functional health scores are typically better among caregivers. These scores use the Instrumental Activities of Daily Living scale to assess individuals’ ability to perform daily tasks.

Impact of Social and Economic Factors on Elderly Health

The Berlin Aging Study also considered various socio-economic variables to understand their influence on the mortality rates of elderly caregivers. Key factors included age, sex, income, and the extent of support received from others. These elements were meticulously controlled in the analysis to isolate the effect of caregiving on longevity.

Particularly, functional health and gender were significant contributors to survival rates. Functional health, gauged through an adjusted model, showed a hazard ratio of 0.94, indicating that better physical abilities are closely linked to lower mortality risks. Additionally, females showed a more substantial benefit, with a hazard ratio of 0.55, suggesting that caregiving might have a more pronounced positive effect on women’s longevity compared to men’s.

Demographic Changes and Their Impact on Elderly Caregiving

In Asia, demographic trends reveal a significant decline in fertility rates, similar to Europe but with distinct regional variations. For instance, the fertility rate in Singapore has fallen to about 0.97 in recent years. South Korea has seen even more dramatic changes, with its fertility rate reaching a low of 0.72 in 2023, the lowest globally. These shifts highlight the growing importance of non-familial caregiving, as fewer family members are available to assume traditional caregiving roles.

This demographic transition calls for enhanced support systems and policies that empower older adults to contribute to caregiving within their communities. Such policies could not only help mitigate the economic impacts of an ageing population but also improve the overall well-being and quality of life for seniors by keeping them actively engaged in society.

Recognising the Constraints of Current Studies

While the Berlin Aging Study offers valuable insights, it is important to acknowledge its limitations. One significant drawback is its inability to capture data on primary caregivers. This exclusion might skew the understanding of the full impact of intense caregiving responsibilities. Additionally, the study’s focus on a specific cohort from former West Berlin limits the generalisability of the findings to other populations and cultures.

Future research should aim to examine the effects of various intensities and types of caregiving. Understanding the motives behind why older adults choose to engage in caregiving and their expectations from these activities is also crucial. Such research could inform better-targeted interventions that support caregivers effectively, considering their personal and cultural contexts.

Embracing Caregiving: A Call to Action for Society

The Berlin Aging Study powerfully illustrates that engaging in caregiving roles can significantly extend the lives of older adults. This is not just about babysitting grandchildren; it extends to any form of supportive interaction within one’s social network. These findings suggest a robust link between active caregiving and reduced mortality, highlighting the potential for caregiving to enhance both individual well-being and societal health.

Societies should recognise and support these roles among older adults, fostering a culture that values and promotes prosocial behaviours. By doing so, we can create a more inclusive and caring community that not only acknowledges but actively benefits from the contributions of its elder members.


Hilbrand, S., Coall, D. A., Gerstorf, D., & Hertwig, R. (2017, May). Caregiving within and beyond the family is associated with lower mortality for the caregiver: A prospective study. Evolution and Human Behavior, 38(3), 397–403.

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