What is the 'Dirty Dozen' list?

The 'Dirty Dozen' is an annual list published by the Environmental working Group (EWG) that identifies fruits and vegetables with the highest levels of pesticide residue, based on USDA data.

Which produce tops the 'Dirty Dozen' list this year?

In the 2024 report, spinach has replaced strawberries as the produce with the most pesticide residue. Strawberries were number one last year.

What new produce items are on the 'Dirty Dozen' list?

Blackberries and potatoes are new additions to the 'Dirty Dozen' list this year. The USDA tested blackberries for the first time in 2023.

How dose the EWG determine the 'Dirty Dozen' list?

The EWG analyzes pesticide residue data from USDA tests, which include sampling and testing of numerous fruits and vegetables.The EWG also considers the toxicity of the pesticides found.

What is the 'Clean Fifteen' list?

The 'Clean Fifteen' is a list, also compiled by the EWG, that highlights produce with the lowest amounts of pesticide residue. This year, pineapples, sweet corn, avocados, papayas, and onions are among the cleanest.

Why is it vital to know about pesticide residue on produce?

Knowing about pesticide residue helps consumers make informed choices about their produce purchases, potentially reducing their exposure to harmful chemicals. The EWG aims to help everyone eat more fruits and vegetables.

Were can I find the complete 'Dirty Dozen' and 'Clean Fifteen' lists?

The full lists are available on the Environmental Working Group's website in their Shopper's Guide to Pesticides in Produce.

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Parkinson’s Disease: Tea, Soda, and Pesticides Impact Motor Skills Differently

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Parkinson’s Disease: Tea, Soda, and Pesticides Impact Motor Skills Differently
- The Complex Landscape of Parkinson’s Disease
- Study Design and Methodology

New findings published in npj Parkinson’s Disease reveal that specific lifestyle and environmental factors have varying effects on motor skill severity in Parkinson’s disease patients. The 2025 study pinpoints black tea consumption as potentially beneficial for one subtype, while pesticide exposure and caffeinated soda intake may worsen motor skills in another [1].

The Complex Landscape of Parkinson’s Disease

Parkinson’s disease, a progressive neurodegenerative disorder, affects approximately 12 million individuals globally. From 1990 to 2021,cases have surged by over 60%,underscoring the growing need for effective management strategies,as there is currently no cure [2].

While about 15% of Parkinson’s cases stem from single gene mutations, such as the LRRK2 G2019S variant, environmental and lifestyle factors also play a crucial role.Prior research indicates that individuals with LRRK2-related Parkinson’s disease (LRRK2-PD) often experience more pronounced motor challenges but fewer non-motor symptoms compared to those with idiopathic Parkinson’s disease (iPD).

Did You Know? Parkinson’s disease is typically diagnosed based on a neurologist’s review of medical history, symptoms, and neurological and physical examinations, as there isn’t a specific diagnostic test [3].

Study Design and Methodology

Researchers analyzed data from two extensive online cohorts,recruiting Parkinson’s disease patients who underwent routine online assessments of motor and non-motor symptoms. Participants also completed detailed questionnaires about their lifestyle habits and environmental exposures.

Spinach Tops Strawberries as Produce with Most Pesticides, New Report Shows

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Spinach Tops Strawberries as Produce with Most Pesticides, New Report Shows

The Environmental Working Group (EWG) has released its 2024 “Dirty Dozen” list, revealing that spinach now carries the highest pesticide load among fruits and vegetables, displacing strawberries from the top spot. the annual report, which analyzes data from the U.S. Department of Agriculture (USDA), also welcomes blackberries and potatoes as new entries to the list of produce with concerning levels of pesticide residue.

Key Findings of the 2024 “Dirty Dozen”

Spinach samples contained more pesticide residue by weight than any other produce tested, with 75% of non-organic samples containing permethrin, a neurotoxic insecticide banned in Europe National Institutes of Health. Blackberries, tested by the USDA for the first time in 2023, and potatoes, the most-consumed vegetable in the U.S., also made their debut on the list.

Did You Know? The EWG’s analysis included over 53,000 samples of 47 different fruits and vegetables.

Potatoes showed that 90% of samples tested positive for chlorpropham,a sprout-inhibiting chemical prohibited in the European Union european Parliament. Other fruits and vegetables on the “Dirty dozen” include kale, collard greens, mustard greens, grapes, peaches, cherries, nectarines, pears, and apples.

The “Clean Fifteen”: Produce with the Least pesticides

On the other end of the spectrum, the EWG also publishes a “Clean Fifteen” list, highlighting produce with the lowest amounts of pesticide residue. The top five “cleanest” items are pineapples, sweet corn, avocados, papayas, and onions.

Pro Tip: Choosing organic versions of “Dirty Dozen” produce can considerably reduce your pesticide exposure.

How the “Dirty Dozen” is determined

The EWG’s analysis is based on pesticide residue testing data from the USDA. This year,the EWG incorporated a new methodology that considers not only the amount of pesticides but also their relative toxicity. This approach provides a more thorough assessment of the potential health risks associated with pesticide exposure.

“Our research takes into account the potency of each chemical and can help shoppers reduce their overall pesticide burden,” said Dayna de Montagnac, M.P.H., an associate scientist for the EWG.

Implications for Consumers

The “Dirty Dozen” and “Clean Fifteen” lists are designed to empower consumers to make informed choices about their produce purchases. By prioritizing organic options for items on the “Dirty Dozen” and opting for conventional versions of “Clean Fifteen” produce, consumers can potentially minimize their exposure to harmful pesticides without breaking the bank.

Produce List	Description	Example Items
Dirty Dozen	Produce with the highest pesticide residue	Spinach, Strawberries, blackberries, Potatoes
Clean Fifteen	Produce with the lowest pesticide residue	Pineapples, Sweet Corn, Avocados, Onions

Understanding Pesticide Use in Agriculture

Pesticides are widely used in agriculture to protect crops from pests and diseases, ensuring a stable food supply. Tho, concerns about the potential health and environmental impacts of pesticide exposure have led to increased scrutiny and regulation.The EWG’s “Dirty Dozen” list serves as a tool for consumers to navigate these concerns and make informed decisions.

The long-term trends in pesticide use show a complex picture. While some pesticides have been phased out due to health concerns, new chemicals continue to be introduced. Monitoring pesticide residue levels in food is an ongoing process, and organizations like the EWG play a crucial role in providing clarity and raising awareness.

Frequently Asked Questions About the “Dirty Dozen”

What are pesticides and why are they used on produce?

Pesticides are chemicals used to protect crops from insects, weeds, fungi, and other pests. They help farmers increase crop yields and prevent spoilage.

Are pesticides harmful to humans?

Some pesticides can be harmful to humans, especially at high levels of exposure. Potential health effects include neurological problems, hormone disruption, and cancer. Regulations are in place to limit pesticide residue on food, but concerns remain.

How can I reduce my exposure to pesticides?

you can reduce your exposure to pesticides by washing fruits and vegetables thoroughly, peeling them when appropriate, buying organic produce, and using the EWG’s “Dirty Dozen” and “Clean Fifteen” lists to guide your purchasing decisions.

Is organic produce pesticide-free?

Organic produce is grown without synthetic pesticides, but it may be treated with certain natural pesticides approved for organic farming. Organic farming practices also focus on soil health and biodiversity to minimize pest problems.

Does washing produce remove all pesticides?

Washing produce can remove some pesticide residue,but it may not eliminate all traces,especially if the pesticide has penetrated the skin of the fruit or vegetable. Peeling produce can further reduce pesticide exposure.

Disclaimer: This information is for general knowledge and informational purposes only, and does not constitute medical advice. It is indeed essential to consult with a qualified healthcare professional for any health concerns or before making any decisions related to your health or treatment.

What are your thoughts on the “Dirty Dozen” list? Will this influence your next grocery shopping trip?

Share this article with your friends and family to help them make informed choices about their produce consumption!

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Black Tea & Parkinson’s: Diet Impacts Disease Risk