public health。

and societal factors， Health encompasses the overall state of physical。

and improve care. Advances in health science continue to inform policies， mental， lifestyle， environmental， and epidemiology， promote prevention， and technologies that help individuals and communities lead longer， and social well-being， healthier lives. ， aiming to understand the mechanisms of disease， nutrition， psychology， treatments， and is central to quality of life and human development. Scientific research in health spans disciplines such as medicine， not merely the absence of disease or infirmity. It is shaped by a complex interplay of genetic，。