Omega-3 fatty acids
Omega-3 fatty acids are a form of polyunsaturated fats found primarily in
fish, fish oils, vegetable oils, and leafy green vegetables. They seem to reduce
the risk of stroke and heart attack.
Polyunsaturated fats are one of four basic types of fat that the body derives
from food. The other three are cholesterol, saturated fat, and monounsaturated
Omega-3 fatty acids are essential fatty acids.
To read about this term in context:
GreenFacts Summary on Respiratory Diseases in Children: