People with high levels of body fat stored in their belly or arms may be more likely to develop diseases like Alzheimer's and Parkinson's than people with low levels of fat in these areas, according to a study published in the July 24, 2024, online issue of Neurology ® , the medical journal of the American Academy of Neurology. The study also found that people with a high level of muscle strength were less likely to develop these diseases than people with low muscle strength. These neurodegenerative diseases like Alzheimer's and Parkinson's affect over 60 million people worldwide, and that number is expected to grow as the population ages, so it's crucial that we identify ways to modify risk factors to develop some preventive tools.

This study highlights the potential to lessen people's risk of developing these diseases by improving their body composition. Targeted interventions to reduce trunk and arm fat while promoting healthy muscle development may be more effective for protection against these diseases than general weight control." Huan Song, MD, PhD, study author of Sichuan University in Chengdu, China The study involved 412,691 people with an average age of 56 who were followed for an average of nine years.

At the beginning of the study, measurements were taken for body composition, such as waist and hip measurements, grip strength, bone density and fat and lean mass. During the study, 8,224 people developed neurodegenerative diseases-;mainly Alzheimer's disease, othe.