综上所述，对于高龄（≥80岁）人群，在一定程度上，BMI与死亡风险呈负相关，腰围与死亡风险呈正相关，BMI在28.0 kg/m2左右时，死亡风险可能最低。因此，高龄老人不必过度迷恋“老来瘦”，保持BMI较高且腰围较低的体型或许是保持长寿的秘诀。

Lower body mass index (BMI) and waist circumference and higher high-density lipoprotein are seen in the decade preceding diagnosis of dementia.

A study from Keck Medicine of USC found that heavy drinkers with diabetes, high blood pressure, or a large waistline are up ...

Adults in their 70s with dementia experienced faster weight loss in the decade before diagnosis than their cognitively ...

Aerobic training for weight loss in adults with obesity provides greater benefits when performed 150 to 300 minutes weekly.