Being overweight is not just bad for waistlines but for brains too, say researchers who have linked obesity to declining mental performance.
將過胖與心智表現衰退連結的研究人員說,過重不只對腰圍不好,對大腦也不好。
Experts are not sure why this might be, but say metabolic changes such as high blood sugar and raised cholesterol are likely to be involved.