Immunity

Definition

Immunity is the body's ability to resist harmful microorganisms and toxins, protecting against infections and diseases. It involves complex interactions between various cells, tissues, and organs to recognize and neutralize threats.

5 Must Know Facts For Your Next Test

1. The gut plays a crucial role in immunity by hosting a large proportion of the body's immune cells.
2. A healthy gut microbiome supports the immune system by promoting the development of immune cells and producing antimicrobial substances.
3. Probiotics and prebiotics can enhance gut health, thereby boosting overall immunity.
4. Chronic stress can negatively impact gut health and weaken the immune response.
5. Nutrients such as vitamins A, C, D, E, as well as zinc and omega-3 fatty acids, are essential for maintaining robust immune function.

Review Questions

• How does the gut microbiome contribute to the body's immune defense?
• What role do probiotics play in enhancing immunity?
• Which nutrients are vital for supporting effective immune function?

Related terms

Gut Microbiome: The community of microorganisms living in the digestive tract that play a key role in digestion and immunity.

Probiotics: Live beneficial bacteria that support gut health and improve immune function.

Prebiotics: Non-digestible food components that promote the growth of beneficial bacteria in the gut.