Hayami Koga

Harvard Pop Center Bell Fellow Hayami Koga, MD, PhD, is lead author on a study that aims to explore the relationship between optimism, a sense of purpose, and immune markers in aging. Findings point to there being an association between these two…

Bell Fellow Hayami Koga, along with Harvard Pop Center faculty members David Williams and Laura Kubzansky and their colleagues, have published a study in JAMA Psychiatry on the association between optimism and physical functioning among older women…

The 7th “Key to Longevity” (“Cultivate a positive mind-set”) in this NYT piece is laced with links to research by our postdoc fellow, Hayami Koga, and faculty member Laura Kubzansky (& their colleagues) that supports the case…

This examination followed over 5,000 African-Americans (until 2018) from the Jackson Heart Study who completed the Berkman-Syme Social Network Index (2000–2004). Watch this 90-second summary of a paper that was published in Social Psychiatry and…

A study led by our graduate student affiliate Hayami Koga (faculty member Laura Kubzansky is also an author) received the highest Altmetric score (1717) for being the most cited, shared, and “talked about” article in the Journal of the…

Our graduate student affiliate, Hayami Koga, is lead author of a study published in the Journal of the American Geriatrics Society (faculty member Laura Kubzansky is also an author) that builds upon prior research on women and longevity by expanding…