While not a good tool for diagnosing asthma, peak flow, and peak flow meters are good to monitor asthma over time. You may see declines in your peak flow prior to developing significant symptoms. This will allow you to alter your treatment regimen based on your asthma care plan.
Increase your intake of calcium, which inhibits the absorption of iron in the body. Eat more milk products, green leafy vegetables, oats and cereals (check to see that these are not fortified with iron). Milk products, such as ice cream, cheese, yogurt, are rich in calcium.
Iron Sources. Eat foods high in iron from the given list including those for vegetarians, vegans and meat and fish lovers. Iron in animal foods such as beef, chicken, clams, mussels, oysters, pork, sardines, shrimp and turkey are also listed.Know what foods are low in fat but high in iron. Vegetables: Beetroot greens, mint, parsley, turnip greens. 2  Vegetables like broccoli and bok choy are rich in iron and also high in vitamin C. 3  The presence of vitamin C in these vegetables help absorb iron. 4  Sea vegetables.