Table 1 Dietary factors and asthma or chronic obstructive pulmonary disease: summary of the available evidence
Relatively consistent | Further evidence | |
|---|---|---|
evidence | needed | |
Potentially beneficial | Fruits | Fish oils/n-3 fatty acids |
association | Vitamin C | Magnesium |
Vitamin E | Whole wheat | |
Beta-carotene | Flavonoids | |
Selenium, manganese | ||
Pyridoxine | ||
Copper, zinc | ||
Potentially harmful | Sodium | n-6 fatty acids |
association | Trans-fatty acids |