Cognitive decline

Definition

Cognitive decline refers to the gradual deterioration of cognitive functions such as memory, attention, and problem-solving abilities. It can be influenced by various factors including age, medical conditions, and nutritional status.

5 Must Know Facts For Your Next Test

1. Nutrient deficiencies, particularly in vitamins like B12 and D, are linked to accelerated cognitive decline.
2. Omega-3 fatty acids have been shown to support brain health and may slow the progression of cognitive decline.
3. Dehydration can negatively impact cognitive performance and exacerbate symptoms of cognitive decline.
4. Antioxidants found in fruits and vegetables can protect against oxidative stress, which is a contributor to cognitive decline.
5. Excessive intake of saturated fats and sugars has been associated with increased risk of cognitive impairment.

Review Questions

• How does vitamin B12 deficiency contribute to cognitive decline?
• What role do omega-3 fatty acids play in maintaining cognitive health?
• Why is dehydration detrimental to cognitive function?

Related terms

Neuroplasticity:

The brain's ability to reorganize itself by forming new neural connections throughout life.

Oxidative Stress:

An imbalance between free radicals and antioxidants in your body that can lead to cell damage.

Dementia: A group of symptoms affecting memory, thinking, and social abilities severely enough to interfere with daily functioning.