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Anti-Stress, Behavioural and Magnetoencephalography Effects of an L-Theanine-Based Nutrient Drink: A Randomised, Double-Blind, Placebo-Controlled, Crossover Trial.

L-theanine (γ-glutamylethylamide) is an amino acid found primarily in the green tea plant. This study explored the effects of an...

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l-Theanine: An astounding sui generis integrant in tea

l-theanine (l-Th), a non-protein amino acid present in tea, is a valuable nutraceutical product with unique health benefits and used...

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L-theanine, unique amino acid of tea, and its metabolism, health effects, and safety.

Tea has been a very popular beverage around the world for centuries. The reason that it is delicious, enabling hydration,...

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Stress diagnoses in midlife and risk of dementia: a register-based follow-up study.

Objectives: Previous studies indicated that stress diagnoses increase the risk of dementia. However, previous results may be biased by confounding,...

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Vitamin D Food Fortification and Nutritional Status in Children: A Systematic Review of Randomized Controlled Trials.

Children are in the risk group for developing hypovitaminosis D. Several strategies are used to reduce this risk. Among these,...

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Synergistic effect of zinc and vitamin A on the biochemical indexes of vitamin A nutrition in children.

Background: Zinc deficiency limits the bioavailability of vitamin A. Because zinc and vitamin A deficiency often coexist in malnourished children,...

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Vitamin A Plasma Levels in COVID-19 Patients: A Prospective Multicenter Study and Hypothesis.

COVID-19 is a pandemic disease that causes severe pulmonary damage and hyperinflammation. Vitamin A is a crucial factor in the...

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Acrodermatitis due to nutritional deficiency.

Purpose of review: Nutritional deficiency is prevalent in developing countries but should also be considered in developed countries in the...

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Effects of Zinc Supplementation on Inflammatory Skin Diseases: A Systematic Review of the Clinical Evidence.

Background: Zinc has been used in patients with acne vulgaris for its anti-inflammatory effects; however, it is unclear if zinc...

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