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Definition: How do polyphenols and plant extracts contribute to improved cognitive function?

Plant extracts, on the other hand, are concentrated forms of specific plants or parts of plants that are believed to have therapeutic effects. These extracts can be derived from various plant sources, such as fruits, vegetables, herbs, and spices.

When it comes to cognitive function, polyphenols and plant extracts have been found to have several mechanisms of action that contribute to their potential benefits:

1. Antioxidant activity: Polyphenols and plant extracts have strong antioxidant properties, which means they can help protect the brain cells from oxidative stress and damage caused by free radicals. This oxidative stress is believed to play a role in the development of cognitive decline and neurodegenerative diseases.

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2. Anti-inflammatory effects: Chronic inflammation in the brain has been linked to cognitive decline and neurodegenerative diseases. Polyphenols and plant extracts have been found to possess anti-inflammatory properties, which can help reduce inflammation in the brain and potentially improve cognitive function.

3. Neuroprotective effects: Polyphenols and plant extracts have been shown to have neuroprotective effects, meaning they can help protect the brain cells from damage and promote their survival. This can be beneficial for maintaining cognitive function and preventing cognitive decline.

4. Improved blood flow and vascular health: Some polyphenols and plant extracts have been found to improve blood flow to the brain and enhance vascular health. This can help ensure an adequate supply of oxygen and nutrients to the brain, which is essential for optimal cognitive function.

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5. Modulation of neurotransmitters: Certain polyphenols and plant extracts have been found to modulate the levels and activity of neurotransmitters in the brain. Neurotransmitters are chemical messengers that play a crucial role in communication between brain cells. By influencing neurotransmitter levels, polyphenols and plant extracts may have a positive impact on cognitive function.

It is important to note that while there is growing evidence supporting the potential cognitive benefits of polyphenols and plant extracts, more research is needed to fully understand their mechanisms of action and determine their effectiveness in improving cognitive function.

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Keywords: cognitive, extracts, polyphenols, function, effects, plants, antioxidant, properties, potential