Antioxidants

Definition

Antioxidants are molecules that inhibit the oxidation of other molecules, which can produce free radicals leading to cellular damage. They play a critical role in protecting the body from oxidative stress and inflammation.

5 Must Know Facts For Your Next Test

1. Antioxidants help reduce oxidative stress, which is particularly important for maintaining pulmonary health.
2. Common dietary antioxidants include vitamins C and E, beta-carotene, and selenium.
3. A diet rich in antioxidants can improve lung function and reduce the risk of chronic obstructive pulmonary disease (COPD).
4. Oxidative stress has been linked to various pulmonary conditions, including asthma and lung cancer.
5. Foods high in antioxidants like fruits, vegetables, nuts, and seeds should be incorporated into nutritional plans for promoting pulmonary wellness.

Review Questions

• How do antioxidants contribute to reducing oxidative stress in the lungs?
• Name three common dietary sources of antioxidants.
• Why is a diet rich in antioxidants important for individuals with chronic respiratory conditions?

Related terms

Oxidative Stress:

An imbalance between free radicals and antioxidants in the body, leading to cell damage.

Free Radicals: Unstable atoms that can cause damage to cells, contributing to aging and diseases.

Chronic Obstructive Pulmonary Disease (COPD):

A group of progressive lung diseases characterized by increasing breathlessness.