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Tag: Mediterranean style diet

Published on Leave a comment on Mediterranean Diet and Heart Disease

Once again a study finds health benefits from consuming a Mediterranean style diet - a diet rich in fruits , vegetables, whole grains, nuts, seeds, legumes (beans), olive oil, and fish. The US Women's Health Study involved almost 26,000 women who were healthy at the start of the study and were followed for up to 12 years. The researchers found that a higher consumption of a Mediterranean style diet was associated with about a 28% lower risk in cardiovascular disease events (heart attack, stroke, coronary arterial revascularization, cardiovascular death). Based on what they generally ate, they were classified as having a low, middle, or upper intake of a Mediterranean style diet.

From Medical Xpress: Researchers explore what's behind Mediterranean diet and lower cardiovascular risk

A new study by investigators from Brigham and Women's Hospital, Harvard Medical School, and the Harvard T.H. Chan School of Public Health offers insights from a cohort study of women in the U.S. who reported consuming a Mediterranean-type diet. Researchers found about a 25 percent reduction in the risk of cardiovascular disease among study participants who consumed a diet rich in plants and olive oil and low in meats and sweets. The team also explored why and how a Mediterranean diet might mitigate risk of heart disease and stroke by examining a panel of 40 biomarkers, representing new and established biological contributors to heart disease.   

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Published on Leave a comment on Mediterranean Diet Versus Meds For Acid Reflux

Another study finding that diet (what one eats) can work just as well as medications for a health condition - this time for one form of acid reflux disease. The researchers found that a Mediterranean style diet worked just as well as, and actually worked better, than medications for laryngopharyngeal reflux (LPR). They think these beneficial results will also work for gastroesophageal reflux disease (GERD). The plant-based Mediterranean diet (lots of fruits, vegetables, legumes, whole grains, seeds, nuts, olive oil, more fish and less meat) in the study has lots of other health benefits, while common medications (proton pump inhibitors - PPI) for reflux have many side effects, including very serious ones with prolonged use (stroke, heart attack, dementia, kidney damage).

It must be noted that the Mediterranean style diet group was also told to drink alkaline water, and both groups were told to follow "standard reflux precautions" (no coffee, tea, chocolate, soda, greasy, fried, fatty and spicy foods, and alcohol). However, the researchers point out that " prior studies have demonstrated little clinical change in reflux incidence with these lifestyle approaches" - meaning both groups in this study were told to follow standard reflux precautions, even though prior studies showed there was no benefit in doing so. (So why did they have the people follow them?)

Many studies have found numerous health benefits from a Mediterranean style diet, but it is unclear whether alkaline water has any health benefits, and the only study the researchers mention about alkaline water and GERD was done in laboratory tests (on cells), rather than in humans - so we really don't know (need studies!). Perhaps only a Mediterranean style diet is sufficient to treat acid reflux disease? Bottom line: dietary changes work best, benefits occur quickly (within a few weeks), and have many health benefits - therefore try them first in treating reflux symptoms. From Medical Xpress:

Mediterranean-style diet may eliminate need for reflux medications

A plant-based, Mediterranean-style diet has been shown to provide the same medical benefits for treating laryngopharyngeal reflux as popular reflux medications. .... When compared to patients who took the traditional reflux medication, proton pump inhibitors (PPI), those patients who consumed a 90-95% whole food, plant-based, Mediterranean-style diet paired with alkaline water had the same if not better reduction in reflux symptoms. 62.6 percent of patients treated with a plant-based diet and alkaline water saw a six point reduction in their Reflux Symptom Index (RSI - a measurement for the severity of reflux symptoms), compared to 54.1 percent reduction in patients taking PPI's.

Though this research only focused on those with laryngopharyngeal reflux, this same diet regimen has implications to help patients with gastro-esophageal acid reflux (also known as GERD). Lead author of the study, Craig H. Zalvan, MD, FACS, chief of Otolaryngology and medical director of The Institute for Voice and Swallowing Disorders at Northwell Health's Phelps Hospital and researcher at the Feinstein Institute, said he was formerly one of the largest prescribers of PPI's in the region. Feeling that there had to be a better approach to treating reflux conditions like laryngopharyngeal reflux, he started to research alternatives. "Although effective in some patients, I felt medication couldn't be the only method to treat reflux and recent studies reporting increased rates of stroke and heart attack, dementia and kidney damage from prolonged PPI use made me more certain," said Dr. Zalvan. 

The diet suggested by Dr. Zalvan consists of mostly fruits, vegetables, grains and nuts with near complete cessation of dairy and meats including beef, chicken, fish, eggs and pork. This is in addition to standard reflux diet precautions like avoiding coffee, tea, chocolate, soda, greasy and fried food, spicy foods, fatty foods and alcohol. Along with relieving reflux symptoms, Dr. Zalvan noted that many of his patients who were treated with a plant-based diet also experienced some weight loss and a reduction of symptoms and medication use from other medical conditions like high blood pressure and high cholesterol. Dr. Zalvan said that a plant-based diet approach with alkaline water and standard reflux precautions should either be attempted prior to the use of medication or with the short-term use of medication for more severe needs. [Original study.]

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From the Feb. 6, 2014 Science Daily:

Whole diet approach to lower cardiovascular risk has more evidence than low-fat diets

A study published in The American Journal of Medicine reveals that a whole diet approach, which focuses on increased intake of fruits, vegetables, nuts, and fish, has more evidence for reducing cardiovascular risk than strategies that focus exclusively on reduced dietary fat.

This new study explains that while strictly low-fat diets have the ability to lower cholesterol, they are not as conclusive in reducing cardiac deaths. By analyzing major diet and heart disease studies conducted over the last several decades, investigators found that participants directed to adopt a whole diet approach instead of limiting fat intake had a greater reduction in cardiovascular death and non-fatal myocardial infarction.

"Nearly all clinical trials in the 1960s, 70s and 80s compared usual diets to those characterized by low total fat, low saturated fat, low dietary cholesterol, and increased polyunsaturated fats," says study co-author James E. Dalen, MD, MPH, Weil Foundation, and University of Arizona College of Medicine. "These diets did reduce cholesterol levels. However they did not reduce the incidence of myocardial infarction or coronary heart disease deaths."

Carefully analyzing studies and trials from 1957 to the present, investigators found that the whole diet approach, and specifically Mediterranean-style diets, are effective in preventing heart disease, even though they may not lower total serum or LDL cholesterol. The Mediterranean-style diet is low in animal products and saturated fat, and encourages intake of monounsaturated fats found in nuts and olive oil. In particular, the diet emphasizes consumption of vegetables, fruit, legumes, whole grains, and fish.

"The potency of combining individual cardioprotective foods is substantial -- and perhaps even stronger than many of the medications and procedures that have been the focus of modern cardiology," explains co-author Stephen Devries, MD, FACC.

More evidence in support of Mediterranean style diet. From the Feb. 4, 2014 Science Daily:

Mediterranean diet linked with lower risk of heart disease among young U.S. workers

Among a large group of Midwestern firefighters, greater adherence to Mediterranean-style diet was associated with lower risk factors for cardiovascular disease (CVD), according to a new study led by researchers from Harvard School of Public Health (HSPH) and Cambridge Health Alliance (CHA). The study is the first to assess the effects of Mediterranean-style diet among a group of young, working U.S. adults.

The researchers analyzed medical and lifestyle data, including dietary habits, from an existing cohort of 780 male firefighters in the Midwest. They developed a modified Mediterranean diet score (mMDS) to assess the participants' dietary patterns.

The firefighter group with greatest adherence to Mediterranean-style diet showed a 35% decreased risk in metabolic syndrome, a condition with risk factors that include a large waistline, high triglyceride level, low HDL ("good") cholesterol level, high blood pressure, and high blood sugar. The group with the highest mMDS also had a 43% lower risk of weight gain compared with the lowest mMDS group. Additionally, greater adherence to a Mediterranean-style diet was significantly associated with higher HDL cholesterol and lower LDL ("bad") cholesterol. Consistent with previous investigations, obese participants in the firefighter study reported a higher intake of both fast foods and sugary drinks.