The state of gratitude lowers systolic blood pressure response through stress-testing experiences, demonstrating that gratitude has a unique buffering effect against both reactions to and recovery from psychological stress.
Upstream reciprocity, or generosity, can be seen in children as young as four years of age. At age three, 80% of children do not want to share, but at age four, 60% of children are happy to share with others.
A new study reveals the effort made in performing a small courtesy, such as holding a door open for others, influences whether people say “thank you” or return the favor.
