noun
Academic field encompassing disciplines related to health, such as public health, epidemiology, and health promotion.
彼女は大学で健康科学を専攻している。
She is majoring in health sciences at university.
医学 refers specifically to medical science and clinical medicine, while 健康科学 is broader, covering public health, wellness, and preventive approaches.
Compound of 健康 (health) and 科学 (science).