Deficiencies or excesses in vitamins, sugars, fats and amino acids can influence thoughts, moods and behaviour, says a researcher.
ANN ARBOR, Michigan: During the long seafaring voyages of the 15th and 16th centuries, a period known as the Age of Discovery, sailors reported experiencing visions of sublime foods and verdant fields. The discovery that these were nothing more than hallucinations after months at sea was agonising. Some sailors wept in longing; others threw themselves overboard.
Perhaps not surprisingly, a delicate balance of nutrients is key for brain health: Deficiencies or excesses in vitamins, sugars, fats and amino acids can influence brain and behaviour in either negative or positive ways.As with Vitamin C, deficits in other vitamins and minerals can also precipitate nutritional diseases that adversely impact the brain in humans. For example, low dietary levels ofAn assortment of raw meat.
Interestingly, niacin deficiency caused by consumption of excessive amounts of alcohol can lead to similar effects as those found with pellagra. Not all dietary deficiencies are detrimental to the brain. In fact, studies show that people with drug-resistant epilepsy – a condition in which brain cells fire uncontrollably – can reduce the number of seizures by adopting an ultralow-carbohydrate regimen, known as a ketogenic diet, in which 80 per cent to 90 per cent of calories are obtained from fat.
These changes may also explain the benefits of a ketogenic state – either through diet or fasting – on cognitive function and mood.Excess levels of some nutrients can also have detrimental effects on the brain. In humans and animal models, elevated consumption of refined sugars and saturated fats – a combination commonly found in ultra-processed foods – promotes eating by desensitising the brain to the hormonal signals known to regulate satiety.
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