有可能超重或肥胖，但不会增加患心脏病的风险，也就是所谓的“肥胖悖论(obesity paradox)”。

一项研究挑战了这个悖论。

研究表明，当体重指数（BMI）超过22-23千克/平方米时，心脏和血管问题的风险，如心脏病、中风、高血压等风险会随体重指数（BMI）增加而增加。

Study of nearly 300,000 people challenges the 'obesity paradox'

https://www.sciencedaily.com/releases/2018/03/180315203916.htm

1. Stamatina Iliodromiti, Carlos A Celis-Morales, Donald M Lyall, Jana Anderson, Stuart R Gray, Daniel F Mackay, Scott M Nelson, Paul Welsh, Jill P Pell, Jason M R Gill, Naveed Sattar. The impact of confounding on the associations of different adiposity measures with the incidence of cardiovascular disease: a cohort study of 296 535 adults of white European descent. European Heart Journal, 2018; DOI: 10.1093/eurheartj/ehy057

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青春期提前与女性肥胖风险增加有关

Early puberty linked with increased risk of obesity for women

https://www.sciencedaily.com/releases/2018/03/180315203819.htm

1. Dipender Gill, Christopher F. Brewer, M. Fabiola Del Greco, Prasanthi Sivakumaran, Jack Bowden, Nuala A. Sheehan, Cosetta Minelli. Age at menarche and adult body mass index: a Mendelian randomization study. International Journal of Obesity, 2018; DOI: 10.1038/s41366-018-0048-7