Consuming Ultra-Processed Foods May Accelerate Early Indicators of Parkinson's Disease

Recent research suggests a potential link between the intake of ultra-processed foods and the early signs of Parkinson's disease. The study, published in the journal Neurology, indicates that individuals who consume higher amounts of processed foods such as sugary cereals, cookies, hot dogs, condiments, and snacks are more likely to exhibit early prodromal signs of Parkinson's, like sleep disturbances, constipation, mood symptoms, and impaired sensory functions.

The investigation involved over 42,800 participants with an average age of 48, who did not have Parkinson's at the start; they were observed for up to 26 years through regular health assessments and diet reviews. The researchers focused on ultra-processed foods, defining servings based on items like a can of soda, a slice of cake, or a hot dog. Participants were grouped based on their daily intake, with those consuming 11 or more servings per day showing a 2.5 times higher likelihood of having three or more early Parkinson's signs.

Although the study does not confirm causality, it highlights an association that warrants attention. The findings suggest that choosing whole, nutrient-rich foods over processed options could be beneficial for brain health and potentially slow the progression of early neurodegenerative changes. The research also underscores the importance of a balanced diet in reducing the risk of neurodegenerative diseases.

The study's limitations include self-reported dietary data, which may have inaccuracies. Nonetheless, the results emphasize the importance of dietary choices in maintaining brain health and the potential impact of processed foods on early neurodegenerative processes.

For more detailed information, see the full study published in Neurology: Link to study.

Source: https://medicalxpress.com/news/2025-05-ultra-foods-early-parkinson-disease.html