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Definition: "An ergogenic aid is any substance or phenomenon that enhances performance "
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08.07.2021 |
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A healthy diet keeps the brain young for longer
Healthy food, says a meta-study that appeared in 2015 in Climacteric. And what does healthy food mean? You already know that.
Study
The researchers did not look at mental training. A previously published review found that cognitive training improves skills in a specific area, but it was still clear whether older people benefit from it in their daily lives. [Ageing Res Rev. 2013 Jan;12(1):263-75.]
For example, older people who want to keep their brains sharp by solving crossword puzzles are arguably getting better at crossword puzzles, according to studies. But crossword puzzles have not yet been shown to have a positive effect on the ability to complete other cognitive activities.
Aerobic training also dropped out for a similar reason. A Cochrane review published earlier showed that there was no evidence yet that the brains of older people would function better if they went for a walk a few times a week. [Cochrane Database Syst Rev. 2015 Apr 22;(4):CD005381.]
Based on the criteria in the table below [click for a larger version], the researchers selected 24 previously published studies. They pieced together the results of those studies and re-analyzed them.
Results
In a Mediterranean diet, fish, chicken, turkey and eggs are the main sources of protein. A Mediterranean diet provides plenty of fruits and vegetables and most of the fats are unsaturated and come from vegetable oils and nuts. After all, the carbohydrates in a Mediterranean diet come from fiber-rich whole foods.
Click on the figure below for a larger version.
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