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TalkingNutrition

Providing perspectives on recent research into vitamins and nutritionals

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    Are Your Brain and Muscles Getting Enough Vitamin D?

    While experts may wonder how much vitamin D is enough, new research finds increased risk of developing Alzheimer’s diseases and dementia if vitamin D status is low. In a meta-analysis with 10 studies published between 2010-2015, Sheng and Ji report 21% and 63% increased risk of developing Alzheimer’s disease and dementia, respectively, in subjects with serum 25(OH)D concentrations < 50nmol/L (vs >50 nmol/L). 

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    Nutrition Missing from the Lancet’s Cognitive Footprint of Dementia Prevention

    In leading medical journal The Lancet, Rossor and Knapp frame the challenge in reducing the disease burden of dementia as a “cognitive footprint”. As world populations age, there are concerns that the costs of treating and caring for people with dementia will be problematic. Via a “cognitive footprint” Rossor and Knapp attempt to bring attention to a wide range of activities that can preserve cognition over the lifespan. But, where's the nutrition?

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    B-Vitamins help maintain Healthy Bones

    Until the last century, scientists weren’t certain that diseases such as scurvy, rickets and night blindness were caused by dietary deficiencies. The discovery of vitamins of vitamins in the early 1900s was founded upon controlled experimental studies manipulating the diet of humans and rats, chicks, pigeons, guinea pigs, mice and dogs.

    Many people are still at risk of vitamin deficiency globally. Even more are at risk of vitamin inadequacy – vitamin concentrations in the body which are too low (insufficient) to support health. 

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    Learning about the magic inside olive oil

    As innovative and exciting as so many reports in nutrition can be, often there’s a long history behind it. In nutrition, the relationship between the Mediterranean diet and heart disease goes back to the 1950s when it was first described by Ancel Keys, an early pioneer in the field nutrition epidemiology. Dr. Keys made an observation that residents of Naples, Italy had a relatively low incidence of coronary heart disease, which he suggested was due to their unique diet. Generally speaking, this diet was low in saturated fats and high in green leafy vegetables, tomatoes, and olive oil.

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