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Indoor pesticide application Credit: Wikipedia

A recent study found that indoor use of pesticides is associated with a higher risk of chronic kidney disease (CKD). Especially in women.

The researchers found that the longer the pesticide exposure time, the higher the risk, even among persons without any underlying risk factors such as diabetes and hypertension. This type of CKD, without known causes, is known as chronic kidney disease of unknown origins (CKDu).

CKDu has already been linked with outdoor use of pesticides, including glyphosate and malathion. This disease is on the rise globally, so studies like this one looking at indoor pesticides are important. When pesticides are applied indoors, persons living there are exposed (breathe in) pesticides for a long time. They do not break down like outdoors, where there is sunlight and rain.

The kidneys are one of the most important organs for filtering waste out of the human body. We need to protect them! One way is to use least-toxic Integrative Pest Management (IPM) when needing to control pests indoors (e.g., by caulking holes, using baits or traps).

Excerpts from Beyond Pesticides: Chronic Kidney Disease of Unknown Origins Linked To Indoor Pesticide Use, Disproportionately Affecting Women

A study published in PLOS ONE finds a pointed, positive association between chronic kidney disease (CKD) of unknown origins (CKDu) and the use of indoor pesticides. Longer exposure times have an especially detrimental impact on kidney function, even among individuals without underlying diseases like diabetes mellitus and hypertension. The innovation of this study’s purpose highlights the lack of exposure-related studies on kidney health outcomes associated with indoor pesticide use. ...continue reading "Indoor Use of Pesticides and Chronic Kidney Disease"

This study found that people with high red meat intake, combined with low fruit and vegetable intake and a poor overall diet (which was found most frequently in males of low socioeconomic status) had biological markers indicating accelerated aging and poor renal function (early indicators of chronic kidney disease). Bottom line: eat less red meat, more whole grains, more fruits and vegetables for your health. From Medical Xpress:

Too much red meat and too few vegetables may increase your body's biological age

A diet containing too much red meat and not enough fruit and vegetables could increase your body's 'biological age' and contribute to health problems. Research led by the University of Glasgow and published today in Aging, has found that a moderate increase in serum phosphate levels caused by red meat consumption, combined with a poor overall diet, increases biological age (miles on the clock) in contrast to chronological age (years of age).
The study, which looked at participants from the most deprived to the least deprived in the NHS Greater Glasgow Health Board area, also demonstrates that deprived males were the worst affected.

Data from the study suggests that accelerated biological ageing, and dietary derived phosphate levels among the most deprived males, were directly related to the frequency of red meat consumption. Researchers believe that excess red meat particularly affects this group because of their poor diet and "sub-optimal fruit and vegetable intake".
The research, led by the Institute of Cancer Sciences in collaboration with the Karolinska Institutet (Stockholm, Sweden), also found that high phosphate levels in deprived males correlated with reduced kidney function and even underlying mild to moderate chronic kidney disease.

Phosphate is naturally present in basic foodstuffs, including meats, fish, eggs, dairy products and vegetables. Intestinal absorption of naturally occurring phosphate is minimally regulated, as absorption is efficient, hence high supplementation results in markedly elevated levels of serum phosphate, which can have adverse health consequences. Indeed high phosphate levels, as a consequence of dietary intake, have already been linked to higher all-cause and cardiovascular mortality risk, premature vascular ageing and kidney disease.

The researchers observed significant relationships between serum phosphate and biological age markers, including DNA content and telomere length(Original study.)

Two studies that talk about a healthy diet and health benefits.From Science Daily:

Home cooking a main ingredient in healthier diet, study shows

People who frequently cook meals at home eat healthier and consume fewer calories than those who cook less, according to new Johns Hopkins Bloomberg School of Public Health research."When people cook most of their meals at home, they consume fewer carbohydrates, less sugar and less fat than those who cook less or not at all -- even if they are not trying to lose weight," says Julia A. Wolfson, MPP, a CLF-Lerner Fellow at the Johns Hopkins Center for a Livable Future and lead author of the study.The findings also suggest that those who frequently cooked at home -- six-to-seven nights a week -- also consumed fewer calories on the occasions when they ate out.

Wolfson and co-author Sara N. Bleich, PhD, an associate professor in the Department of Health Policy and Management at the Bloomberg School, analyzed data from the 2007-2010 National Health and Nutrition Examination Survey from more than 9,000 participants aged 20 and older... The researchers found that 8 percent of adults cooked dinner once or less a week and this group consumed, on an average day, 2,301 total calories, 84 grams of fat and 135 grams of sugar. Forty-eight percent of participants cooked dinner six to seven times a week and they consumed 2,164 calories, 81 grams of fat and 119 grams of sugar on an average day.

The research found blacks are more likely to live in households where cooking occurs less frequently than whites; and individuals who work more than 35 hours a week outside the home also cook less often.

From Medical Xpress:

Healthy diets are good for the kidneys

A healthy diet may help protect the kidneys, according to two studies that will be presented at ASN Kidney Week 2014 November 11¬-16 at the Pennsylvania Convention Center in Philadelphia, PA. Dietary modifications may be a low-cost, simple intervention to reduce the burden of chronic kidney disease (CKD). 

A higher-quality diet, as measured using 3 different scoring systems for dietary qualities known to reduce the risk of cardiovascular disease, was associated with a 16% to 23% reduced risk of needing dialysis or dying from kidney problems. Higher-quality diets included those high in fruits, vegetables, and unsaturated fats. The researchers also found that high sodium intake (average of 4.7g g/day) was linked with an increased risk of needing dialysis or dying from kidney problems, but no benefit was seen for low sodium intake (average 2.0 g/day) compared with moderate intake. In contrast, high potassium intake was associated with a reduced future risk.