Summary:

- The article discusses a study that found excess belly fat in middle age can increase the risk of developing Alzheimer's disease later in life, even up to 20 years before the onset of symptoms.
- The study, conducted by researchers at the University of Miami, followed over 6,500 people for more than 20 years and found that those with higher waist-to-hip ratios, indicating excess abdominal fat, were more likely to develop Alzheimer's disease.
- The findings highlight the importance of maintaining a healthy weight and addressing abdominal obesity in middle age as a potential preventative measure against Alzheimer's disease, which is a growing public health concern.