Final answer:
Participants with unsupportive social relationships and low self-esteem exhibited more health issues due to stress and lack of support.
Step-by-step explanation:
DeLongis, Anita et al. discovered that participants with unsupportive social relationships and low self-esteem exhibited more health issues due to stress and lack of support. It has been found that individuals with stronger social relationships have better health outcomes and a higher likelihood of survival compared to those with weak or insufficient social relationships. Social support plays a crucial role in reducing stress and promoting better health.