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Did Glen Campbell's struggle with alcohol and drug abuse cause his Alzheimer’s disease?

8/17/2017

According to Glen Campbell's doctor Ronald Petersen in an interview with Today.com, saying alcohol or drug abuse caused Alzheimer’s disease is probably stretching it, "because it would mean that alcohol or drug usage actually leads to the development of plaques and tangles in the brain, and we clearly don’t know that". On the other hand, Petersen said, "severe alcohol use and certain drug behaviors can compromise the brain’s resilience. If we’ve had certain insults over our life — be it alcohol, drugs or head injuries — that may reduce the ability of the brain to compensate for the development of either aging or Alzheimer’s-type pathology. Other people who have not had those kinds insults might be able to compensate — their brains might be more plastic, more resilient — and stay functional at a higher level for a longer period."

Link to original story on Today.com

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Another study reveals an association between occupational pesticide exposure and Parkinson's disease

8/15/2017

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A team of researchers from UCLA has reported on an association between occupational pesticide exposure and increased risk for PD. The study known as the Parkinson Environment Gene (PEG) study showed that risk was increased with occupational exposure to various classes of pesticides, indicating that no specific chemical but rather a shared mechanism of action may be involved. Unfortunately, this study lacked the statistical power to examine gene-pesticide interactions. Risk increased with increasing years of pesticide use, and job tasks resulting in the highest exposures to pesticides such as mixing and loading pesticides. These new findings are consistent with those reported by Ratner et al., 2015 and lend further support to the growing body of literature indicating that PD risk is modified by chemical exposures at concentrations that typically occur in occupational settings and that there is a dose response relationship between exposure and disease risk.

Link to study on PubMed

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Dr. Marcia Ratner shares and reviews the news.

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Last update: June 9, 2024

Did Glen Campbell's struggle with alcohol and drug abuse cause his Alzheimer’s disease?

Another study reveals an association between occupational pesticide exposure and Parkinson's disease

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