Fasting is an ancient practice that involves abstaining from food and drink for a period of time. It is usually associated with religious practices, but recently, it has gained popularity as a health and wellness trend. People who practice fasting claim that it has numerous benefits, including weight loss, improved insulin sensitivity, and better brain function. But what about fasting and mental health? Can this ancient practice also have a positive effect on our mood and cognition?
The Link between Fasting and Mental Health
There is growing evidence to suggest that fasting may have a positive effect on mental health. According to a recent review of studies published in the journal Behavioral Sciences, fasting can improve mood and cognitive function. The review analyzed studies that investigated the effects of fasting on mood, anxiety, and cognitive function in humans and animals.
One of the key findings of the review is that fasting can improve mood. Several studies have shown that fasting can increase the production of the hormone serotonin, which is associated with feelings of well-being and happiness. Fasting may also increase the production of brain-derived neurotrophic factor (BDNF), a protein that is essential for the growth and survival of neurons in the brain. Low levels of BDNF have been linked to depression and other mental health disorders.
Fasting and Cognitive Function
In addition to improving mood, fasting may also improve cognitive function. According to a study published in the journal Frontiers in Aging Neuroscience, fasting can improve memory and learning. The study found that intermittent fasting can increase the production of ketone bodies, which are molecules produced by the liver when the body is in a state of fasting. Ketone bodies have been shown to improve cognitive function by providing an alternative source of energy for the brain.
Another study published in the journal Nutrients found that fasting can improve executive function, which is the ability to plan, organize, and execute tasks. The study found that intermittent fasting improved executive function in healthy adults, as well as in adults with cognitive impairment.
The Potential Benefits of Fasting for Mental Health
Given the potential benefits of fasting for mental health, it's no surprise that the practice is gaining popularity. But what about a more structured approach to fasting. A study published in the Journal of Nutritional Science found that a 3-day fast followed by a period of refeeding can improve mood, reduce anxiety, and improve cognitive function. The study found that these effects were still present 30 days after the fast.
Another study published in the journal Scientific Reports found that intermittent fasting can improve symptoms of depression in mice. The study found that intermittent fasting increased the production of BDNF, which improved symptoms of depression in mice.
Potential Risks of Fasting
While there is growing evidence to suggest that fasting may have a positive effect on mental health, it's important to note that there are also potential risks associated with fasting. Fasting can lead to dehydration, headaches, dizziness, and fatigue. In some cases, fasting can also lead to disordered eating patterns, which can have negative effects on mental health.
It's also important to note that fasting may not be appropriate for everyone. People who are pregnant, breastfeeding, or have a history of disordered eating should avoid fasting. It's also important to talk to a healthcare professional before starting any fasting program, especially if you have a history of medical conditions or are taking medication.
Conclusion
Fasting is an ancient practice that has gained popularity as a health and wellness trend. While there is growing evidence to suggest that fasting may have a positive effect on mental health, it's important to note that there are also potential risks associated with fasting. If you're considering fasting, it's important to talk to a healthcare professional before starting.
* This is a contributed article and this content does not necessarily represent the views of sciencetimes.com
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