Objective: Social support and social integration have been linked to lower rates of morbidity
and mortality. However, the biological mechanisms responsible for such links need greater …

Background Prior research links optimism to physical health, but the strength of the
association has not been systematically evaluated. Purpose The purpose of this study is to …

Advances in the understanding of psychoneuroimmunology in the past decade have
emphasized the notion that stress and cancer are interlinked closely. Durable chronic stress …

Over the last decade, there have been groundbreaking strides in our understanding of the
multiple biological pathways by which psychosocial and behavioral factors can affect cancer …

Epidemiologic evidence increasingly has supported the role of biobehavioral risk factors
such as social adversity, depression, and stress in cancer progression. This review …

Evidence suggests that optimism may be protective for health during times of heightened
stress, yet the mechanisms involved remain unclear. In a double-blind placebo-controlled …

Epidemiologically documented risk factors for carcinogenesis, including genetic, endocrine,
environmental, and socioeconomic factors, only account for part of the risk for cancer …

Purpose In this study, the effects of laughter therapy on levels of depression, quality of life,
resilience and immune responses in breast cancer survivors were examined. Methods A …

Breast cancer is the most common and deadliest type of cancer in women. Stress exposure
has been associated with carcinogenesis and the stress released neurotransmitters …

The moderating effect of dispositional optimism on the link between daily hassles and
mental health was investigated in a group of 345 Chinese high school students in Hong …