Wealth, Well-Being, and the Danger of Having Too Much

How much safety is too much danger?

The Effect of Having Too Much Choice

Volunteering and psychological well-being among young-old adults: how much is too much?

PURPOSE Research concerned with the relationship between volunteer activity and psychological well-being has typically reported higher levels of well-being among older adult volunteers relative to nonvolunteers. However, few studies have examined nonlinear associations between frequency of volunteer activity and well-being. We examined nonlinear associations between hours spent volunteering and...

Health, Wealth, and Well-Being

(PCD) joins Morbidity and Mortality Weekly Report, Emerging Infectious Diseases, and scientific journals around the world in publishing on the topic of poverty and human development. This joint effort is sponsored by the Council of Science Editors (1), and the global partnership of more than 200 journals represents both developed and developing countries. PCD is honoring this commitment with a ...

Too much of a good thing? Cardiac vagal tone's nonlinear relationship with well-being.

Parasympathetic regulation of heart rate through the vagus nerve--often measured as resting respiratory sinus arrhythmia or cardiac vagal tone (CVT)--is a key biological correlate of psychological well-being. However, recent theorizing has suggested that many biological and psychological processes can become maladaptive when they reach extreme levels. This raises the possibility that CVT might ...