Health
Fresh Concerns: Top 12 Produce Items High in Pesticides
While we often consider fruits and vegetables as the healthier alternatives to processed snacks, the reality may be more complex. The Environmental Working Group (EWG), a health advocacy organization, releases an annual guide to inform consumers about the levels of pesticides present in produce. On March 20, the EWG unveiled its 2024 “Dirty Dozen” list, highlighting the 12 fruits and vegetables most contaminated with pesticides.
The latest report from the EWG is based on data from tests conducted by the U.S. Department of Agriculture (USDA) and the Food and Drug Administration (FDA). These tests involved 47,510 samples from 46 different types of fruits and vegetables.
“The USDA peels or scrubs and washes produce samples before they’re tested, whereas the FDA removes only dirt first,” the EWG clarified in its report.
Despite these cleaning methods, the tests detected 254 different pesticides in the produce samples.
“Pesticides are chemicals designed to kill living organisms that are considered pests, including insects, weeds and mold. Even after washing fruits and vegetables, pesticide residues remain on produce,” the EWG elaborates on its website. “Research shows that certain pesticides used on American produce are linked to cancer, hormone disruption, and cognitive and behavioral problems.”
The four pesticides most commonly found in the produce on the Dirty Dozen list were fludioxonil, pyraclostrobin, boscalid, and pyrimethanil, which are also fungicides, the EWG noted.
“Emerging evidence suggests many widely used fungicides may disrupt human hormone systems,” stated EWG senior toxicologist Alexis Temkin, PhD. “But more studies are needed to better understand the risks they—and all pesticides—pose to humans, particularly children.”
To protect yourself, the EWG advises purchasing organic versions of any produce on the Dirty Dozen list. The following fruits and vegetables have been identified as the most pesticide-contaminated, according to the organization’s recent report.
The EWG warns that green beans may contain traces of two insecticides, acephate and methamidophos, which have been associated with harm to the developing nervous system. These chemicals were found in approximately 8 percent of the non-organic green bean samples tested by the USDA in 2021 and 2022.
Blueberries have secured the 11th spot on the EWG’s Dirty Dozen list for two consecutive years.
“The most troubling pesticides found on blueberries were phosmet and malathion, chemicals known as organophosphate insecticides,” the EWG reported. “They kill many types of insects and are toxic to the human nervous system, especially children’s developing brains.”
Over 90 percent of cherry samples tested positive for residue of two or more pesticides, the EWG’s report revealed. The chemicals of concern found on this fruit were pyraclostrobin, linked with liver toxicity and metabolic disorders, and boscalid, associated with cancer and thyroid dysfunction.
Bell and hot peppers were found to have the second highest amount of individual pesticides, with 101 different chemicals detected on these items, according to the EWG.
Apples typically contain more than four different pesticides, some at high concentrations, the EWG warned.
Like cherries, over 90 percent of nectarine samples tested positive for residues of two or more pesticides.
The EWG reported an increase in the number of chemicals found on pears over the years. In its latest report, the organization found that over 60 percent of non-organic pears tested by the USDA contained traces of five or more pesticides, a significant increase from previous tests.
Almost all peaches are contaminated with pesticides, the EWG warned.
“A single peach sample could have traces of up to 19 different pesticides,” the organization stated.
The EWG’s new report also indicated that over 90 percent of grapes tested positive for two or more pesticides.
Kale, collard, and mustard greens were found to have the most pesticides, with 103 individual chemicals detected across these items, according to the EWG.
Spinach, another leafy green, tested positive for an average of seven different pesticides, including permethrin, which has been banned for use on food crops in Europe since 2000.
“At high doses, permethrin overwhelms the nervous system and causes tremors and seizures,” the EWG cautioned.
Strawberries topped the EWG’s Dirty Dozen list, as they are the “fresh produce item most likely to be contaminated with pesticide residues, even after they are picked, rinsed in the field and washed before eating,” the organization reported.
“The average American eats about eight pounds of fresh strawberries a year—and with them, dozens of pesticides, including chemicals that have been linked to cancer and reproductive damage, or that are banned in Europe,” the EWG warned.
Let us know what you think, please share your thoughts in the comments below.
The health of your kidneys and liver, indispensable organs in your body, play a pivotal role in maintaining your overall wellness. They take on multiple indispensable tasks, predominantly executing the crucial function of waste filtration. Maintaining these organs in a healthy condition often involves a multifaceted approach, encompassing a nutritious diet, consistent physical activity, and moderated alcohol consumption. However, recent studies bring our attention to a surprising aspect that may potentially impact your kidneys and liver adversely: the frequency of your bowel movements.
In an intriguing research endeavor, analysts from the Institute for Systems Biology (ISB) took on the mission to comprehend what the regularity of an individual’s bowel movements might indicate about their long-term health. The results, published recently in Cell Reports Medicine, are based on the detailed analysis of medical, lifestyle, and multi-omic data obtained from over 1,400 healthy adults.
Through a careful examination of this data, the researchers have identified four distinct categories of self-reported bowel movement frequencies: constipation (one to two bowel movements per week), low-normal (three to six bowel movements per week), high-normal (one to three bowel movements daily), and diarrhea.
Interestingly, the study highlights that the healthiest bowel movement frequency was observed in the high-normal group, i.e., individuals who reported bowel movements one to two times per day. These individuals exhibited a higher count of fiber-fermenting gut bacteria that is often linked to optimal health.
Johannes Johnson-Martinez, a PhD candidate at ISB and the primary author of the study, commented:
“Prior research has shown how bowel movement frequency can have a big impact on gut ecosystem function.”
He continued, “Specifically, if stool sticks around too long in the gut, microbes use up all of the available dietary fiber, which they ferment into beneficial short-chain fatty acids. After that, the ecosystem switches to fermentation of proteins, which produces several toxins that can make their way into the bloodstream.”
Contrastingly, constipation and diarrhea present on the extremes of the bowel movement frequency spectrum were associated with potential health threats. The study pointed out decreased kidney function in individuals who experienced less frequent bowel movements and fell under the ‘constipated’ category.
The research revealed that p-cresol-sulfate and indoxyl-sulfate, toxins produced by microbes due to protein fermentation and known to harm kidneys, were found to be predominant in the blood of constipated individuals.
“‘Here, in a generally healthy population, we show that constipation, in particular, is associated with blood levels of microbially derived toxins known to cause organ damage, prior to any disease diagnosis,” said Sean Gibbons, PhD, ISB associate professor and the paper’s corresponding author.
Conversely, the study discovered a correlation between diarrhea and “higher levels of inflammation and blood markers of reduced liver function,” as Gibbons reported to Today.
According to Gibbons, “Overall, this study shows how bowel movement frequency can influence all body systems, and how aberrant bowel movement frequency may be an important risk factor in the development of chronic diseases.” He went on to stress that these findings could help in formulating strategies to manage bowel movement frequency, optimizing health and wellness even amongst healthy populations.
For those looking to improve their bowel movement habits, gastroenterologist Will Bulsiewicz, MD MSCI, who wasn’t part of the study, suggests increasing fiber intake. He informs us that “95 percent of Americans are deficient in fiber,” emphasizing that “Fiber helps to normalize our bowel movements and get us into that sweet spot where the gut microbiome is optimally healthy and our bowels are moving at just the right pace, without diarrhea or constipation.”
Let us know what you think, please share your thoughts in the comments below.
Embarking on a heart-healthy journey involves more than just exercise; it involves making significant dietary choices. Incremental changes to your eating habits can greatly impact your heart health, especially if you suffer from high blood pressure. Certain foods are known to support cardiovascular health and offer blood pressure regulation properties. Here, we collate advice from top doctors to list 15 nutritious foods that can help you maintain a healthy blood pressure.
1. Low-Sodium Foods
Reducing sodium intake can contribute to lowering your blood pressure. Stephen Vogel, MD, advises that cooking food at home allows control over salt content, and choosing low-sodium options when dining out can also help.
“Water retention puts stress on your arteries, just like cranking up your garden hose,” says Vogel.
2. Berries
Berries like blackberries, raspberries, strawberries, and blueberries are rich in antioxidants that help stabilize blood pressure. Blueberries are particularly beneficial due to their high anthocyanin content, says cardiologist Nieca Goldberg, MD.
3. Fish
Fish, especially those high in omega-3 fatty acids like salmon and trout, can assist in lowering blood pressure. Vogel suggests incorporating at least two servings of fish per week into your diet to benefit from its lean protein and healthy fats.
4. Olive Oil
Substituting less healthy fats with extra virgin olive oil can help reduce blood pressure. This monounsaturated fat is rich in polyphenols, which are linked to better metabolic health according to Vogel.
5. Vegetables
Vegetables not only have a low sodium content but are also high in fiber. Vogel notes that consuming 25 to 30 grams of fiber per day can improve blood pressure.
6. Beets
Beets offer benefits beyond their high fiber content. They are rich in natural chemicals that can improve blood pressure upon conversion to nitric oxide in the body, explains Vogel.
7. Almonds
Almonds, rich in healthy fats and magnesium, are beneficial for blood pressure regulation, blood sugar control, and cholesterol management, Vogel points out.
8. Broccoli
Regular consumption of broccoli, due to its high calcium and magnesium content, is associated with lower blood pressure, Goldberg suggests.
9. Bananas
Bananas, an excellent source of potassium, can help regulate blood pressure, says Daniel Landau, MD.
10. Avocados
Avocados are another high-potassium food, beneficial in lowering the risk of hypertension and improving blood pressure levels, according to Goldberg.
11. Beans and Legumes
Beans and legumes, high in fiber, potassium, calcium, and magnesium, can help lower blood pressure, as noted by Goldberg.
12. Oatmeal
Oats, rich in beta-glucan, can support heart health and blood pressure control, Landau advises.
13. Cinnamon
Cinnamon, used regularly, can help maintain healthy blood pressure. Landau recommends adding it to oatmeal for a potent blend.
14. Yogurt
Yogurt, high in calcium and potassium, can aid in lowering blood pressure, states Goldberg.
15. Fruits – Kiwi and Citrus
Kiwis and citrus fruits like oranges are good choices to lower blood pressure due to their high potassium and flavonoid content, Goldberg concludes.
Adopting a heart-healthy diet is more than just about single food choices; it’s about creating sustainable habits that positively impact overall health. So, go ahead, revamp your meal plan, incorporate these heart-supporting foods, and take a step towards a healthier, happier heart.
Let us know what you think, please share your thoughts in the comments below.
As our age advances, so do the health risks we face. Among these, cognitive decline, often a harrowing symptom that may signal dementia and Alzheimer’s disease, is particularly frightening. Though risk factors and early indications of cognitive decline have been deeply researched, new findings continue to emerge. A recent study from November 2023, published in Aging, Neuropsychology, and Cognition, has discovered a speech pattern that could potentially serve as an early warning sign of cognitive decline.
The study was conducted by researchers from Baycrest’s health science center and the University of Toronto. They examined whether patterns in speech could predict the onset of cognitive decline. Previous research suggested word-finding difficulty (WFD) as a potential indicator, but this is also a common sign of aging. The pace of speech, whether fast or slow, however, might offer a clearer warning signal.
Jed Meltzer, PhD, Baycrest’s Canada Research Chair in Interventional Cognitive Neuroscience and lead author of the study, said in a press release, “Our results indicate that changes in general talking speed may reflect changes in the brain.” He added, “This suggests that talking speed should be tested as part of standard cognitive assessments to help clinicians detect cognitive decline faster and help older adults support their brain health as they age.”
This groundbreaking study evaluated both talking speed and WFD in adults across a broad age range of 18 to 90 years. All 125 participants underwent three different assessments, including a picture-naming game which tested their ability to identify and name the images while ignoring distracting words played through headphones.
The second assessment tasked participants with describing two complex pictures within sixty seconds each. Their speech pace and pauses were analyzed using AI technology. The final assessment comprised of standard tests to evaluate various mental abilities, including executive function.
Post the completion of these assessments, researchers found that WFD and certain other abilities tend to decrease with age – an expected outcome. However, what intrigued them was that the reduced ability to recognize and remember an object’s name in a picture was not connected to a decline in other mental skills. Furthermore, there was no link between pauses while finding words and brain health.
The press release explains: “Instead, how fast participants were able to name pictures predicted how fast they spoke in general, and both were linked to executive function. In other words, it wasn’t pausing to find words that showed the strongest link to brain health, but the speed of speech surrounding pauses.”
Therefore, the researchers concluded that a noticeable slowdown in normal speech could be a more significant marker of cognitive decline than struggling to find the right words. However, this connection needs further exploration, and researchers suggest repeating these tests with the same participants over several years to confirm if speech speed indeed forecasts cognitive decline.
Let us know what you think, please share your thoughts in the comments below.
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Constance
May 4, 2024 at 11:38 am
Is there organic frozen vegetables and fruit