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L-Arginine & Vitamin C for COPD
The European Journal of Internal Medicine has just published the results of a randomized and controlled clinical trial evaluating the effect of L-arginine combined with liposomal vitamin C when given to people with chronic obstructive pulmonary disease (COPD). Previous research has suggested that L-arginine metabolism is disturbed among people with COPD, with less L-arginine available…
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Seed Oils’ Impact on Health
After over a half century of public health advice warning against diets high in saturated fat, the finger is starting to point toward oils rich in polyunsaturated fatty acids (PUFAs) as contributing factors in a range of adverse health outcomes. A paper published recently in Frontiers in Nutrition introduces a theory that puts refined, bleached,…
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Cranberry Powder & Recurrent UTIs
Researchers in Australia recently published the results of their 6-month randomized, placebo-controlled, and double-blinded clinical trial in The American Journal of Clinical Nutrition, reporting on the efficacy of supplementing with whole cranberry fruit powder for women with recurrent urinary tract infections (UTIs). 150 women with a history of recurrent UTIs, defined as ≥ 3 UTIs…
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Iron Deficiency & Brain Development
JAMA Network Open has recently published the results of an imaging study detailing the association between iron deficiency (ID) without anemia and several markers of brain development among adolescents. ID without anemia is often defined by ferritin levels, though the cut-off is still a matter of debate; a ferritin < 15 ng/mL was the criterion…
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T-Cells in Brain
A recent study from Yale School of Medicine, published in published in Nature, has revolutionized our understanding of the brain’s immune system by revealing that T cells naturally inhabit healthy brains, challenging long-held beliefs about the brain’s immunological isolation. Traditionally, scientists believed the blood-brain barrier completely separated the brain from immune system activity, with immune…
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Multivitamins & Prostate Health
Results of a longitudinal observational cohort study were recently published in European Urology Oncology, describing the association between multivitamin use and the recurrence of prostate cancer. This study included nearly 1400 men with nonmetastatic cancer who underwent radical prostatectomy or radiation therapy and were enrolled in the Cancer of the Prostate Strategic Urologic Research Endeavor…
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Myths & Facts of Low Carb Diets
With ever-increasing applications emerging for therapeutic ketogenic diets, it’s important for healthcare professionals and the lay public alike to understand the facts about dietary carbohydrate restriction and to separate those facts from the myths that may stand in the way of people implementing a nutritional strategy that can have a profound beneficial impact on metabolic…
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Prediction of Type 2 Diabetes Risk
An analysis recently published in Cardiovascular Diabetology used a cluster-based approach to quantify the risk for developing type 2 diabetes (T2D) among older adults (aged 61-82). Building on a previously published proof-of-concept study, 843 participants in the Kora F4 study were assigned to one of six predefined phenotype clusters, with clusters determined by a number…
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Vitamin D & Respiratory Tract Health
The results of a double-blind randomized and controlled clinical trial evaluating the effect of vitamin D supplementation on acute respiratory tract infections (ARTI) in children living in Northern latitudes were recently published in the European Journal of Nutrition. This was a secondary analysis of a controlled trial investigating vitamin D supplementation as well as varying…
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Hypothyroidism & Depression
We have previously reported on the strong link between hypothyroidism and depression. A new study published in the International Journal of Academic Medicine and Pharmacy adds more data to this association. The study sought to determine the correlation between thyroid dysfunction and depression severity among 300 patients at a psychiatry outpatient clinic who were diagnosed…