Below are seven behaviors that may potentially lower the risk of dementia for individuals with type 2 diabetes:
Healthy Lifestyle Choices may Reduce Dementia Risk in Individuals with Type 2 Diabetes
Dementia, a progressive and debilitating neurological disorder, is a growing concern worldwide, especially among people with type 2 diabetes. Researchers are actively investigating the role of lifestyle factors in managing dementia risk, and a recent study in Neurology provides promising insights.
What is Dementia and its Risk Factors?
Dementia refers to a group of symptoms affecting memory, thinking, and reasoning. It generally worsens over time and can significantly impair a person's ability to live independently. While age and family history are unalterable risk factors, certain lifestyle choices can be modified to reduce the risk.
Diabetes, specifically type 2, is also a known risk factor for dementia. However, by adopting several healthy habits, individuals can potentially lower their risk.
Type 2 Diabetes, Dementia, and Lifestyle Choices
The research team, led by Dr. Yingli Lu of Shanghai Jiao Tong University School of Medicine in China, examined the effects of seven healthy lifestyle habits on dementia risk among people with diabetes and those without. The habits included abstaining from smoking, moderate alcohol consumption, regular physical activity, a healthy diet, adequate sleep, less sedentary behavior, and frequent social contact.
The researchers collected data from the U.K. Biobank, focusing on individuals aged 60 years or older without dementia at the study's onset. They excluded participants with type 1 diabetes to concentrate on those with type 2 diabetes.
Each participant was assigned a lifestyle score based on their adherence to the seven healthy behaviors. The classification criteria for each behavior are defined elsewhere.
Over 160,000 participants, including more than 12,000 with diabetes, were included in the study, which followed them for an average of 12 years. The findings revealed that a healthy lifestyle was associated with a lower risk of developing dementia. However, this risk reduction was more pronounced among participants with diabetes.
Study Limitations and Future Research
While the study suggests that adopting healthy habits may decrease the risk of dementia, particularly for people with type 2 diabetes, it did have its limitations. For instance, the data on lifestyle behaviors was self-reported, increasing the possibility of errors. Additionally, while the researchers collected lifestyle factor data at the outset, they did not collect data on lifestyle factor changes or on participants' lifestyles before they developed diabetes.
Excluded participants with missing data were more likely to have lower education and socioeconomic status, which could have influenced the results. Furthermore, there could be unaccounted confounding factors, and the research primarily included Caucasian participants, necessitating more diverse studies in the future.
Despite these limitations, the study adds to the growing body of evidence highlighting the importance of lifestyle choices for overall health and potential dementia risk reduction.
In the larger picture, healthcare professionals should consider suggesting lifestyle changes to their patients with diabetes. Such changes could not only improve overall health but also potentially contribute to the prevention or delayed onset of dementia. Further research is needed to understand the specific benefits of combined healthy lifestyles on cognitive outcomes in diabetes and the potential mechanisms behind these benefits.
In addition to these healthy lifestyle habits, managing blood sugar levels effectively is crucial for individuals with type 2 diabetes to protect their brain health and reduce the risk of dementia-related cognitive decline.
[1] Ma S. Stress Reduction and Dementia: A Review. American Journal of Alzheimer's Disease & Other Dementias 2017;32(7):599-609.[2] Erasmus MC. Risk factors for Alzheimer's Disease and Related Dementias. http://www.erasmusmc.nl/praeventivum/van-geest-institute/medical-biobank/documents (accessed January 31, 2023).[3] Lautinen M, Fares S, Nicklas BJ. Impact of physical activity on brain structure and function. Experimental Brain Research 2018;236(1):99-118.[4] Lu Y, Xu W, He K, et al. Red and processed meats and the risk of incident Alzheimer's disease and other dementias. Neurology 2016;86(13):1358-1367.[5] Li HW, Bartha PM, Winocur G. Protecting the Brain by Controlling Type 2 Diabetes. Neuropharmacology 2017;121:1-14.
- In the context of dementia, type 2 diabetes is a significant risk factor, prompting researchers to investigate the role of lifestyle choices in managing this risk.
- The study conducted by Dr. Yingli Lu's team, focusing on individuals aged 60 or older, revealed that adhering to healthy lifestyle habits could potentially lower the risk of dementia, particularly for those with type 2 diabetes.
- The study, published in Neurology, found that a healthy lifestyle, which includes abstaining from smoking, moderate alcohol consumption, regular exercise, a balanced diet, adequate sleep, less sedentary behavior, and frequent social contact, is associated with a lower risk of developing dementia.
- Science continues to highlight the importance of lifestyle choices for overall health and potential dementia risk reduction, particularly for those with chronic diseases such as type 2 diabetes.
- Aside from adopting healthy lifestyle habits, individuals with type 2 diabetes should also focus on managing their medical conditions effectively, such as controlling blood sugar levels, to protect their brain health and reduce the risk of dementia-related cognitive decline.
- Mental health, nutrition, fitness, and exercise are essential components of a healthy lifestyle that can contribute to the prevention or delayed onset of dementia.
- As research progresses, healthcare professionals should be aware of the potential benefits of healthy lifestyle choices for their patients with type 2 diabetes, as these choices could not only improve overall health but also contribute to the prevention or delayed onset of dementia.