In addition to genetics and family history, there are several lifestyle and environmental factors that can influence Alzheimer's risk. Here are some examples:
Lifestyle Factors
- Physical inactivity: A CDC study found that not meeting the aerobic physical activity guideline was associated with an increased risk of Alzheimer's disease.1
- Obesity: Obesity was found to be a modifiable risk factor for dementia in a University of Minnesota study.1
- Smoking: Smoking was identified as a modifiable risk factor for Alzheimer's disease in a study that included data from nearly 3,000 research participants.5
- Diet: A high-quality diet was one of the five specified healthy behaviors associated with a lower risk of Alzheimer's disease in a study that included data from nearly 3,000 research participants.5
- Cognitive activities: Engaging in cognitive activities, such as reading, playing games, or doing puzzles, may help reduce the risk of Alzheimer's disease.7
Environmental Factors
- Air pollution: Exposure to air pollution has been associated with an increased risk of dementia.12
- Aluminum: Although the link between aluminum exposure and Alzheimer's disease is controversial, some studies have reported an association between the two.10
- Electromagnetic fields: One review concluded that electromagnetic fields were an important environmental risk factor for Alzheimer's disease.2
- Pesticides: Occupational exposure to pesticides was associated with an increased risk of early-onset Alzheimer's dementia and frontotemporal dementia in a case-control study in Northern Italy.6
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