Plasma is a critical component in the treatment of many serious health problems. This is why there are frequent blood drives encouraging people to donate blood plasma.
A simple blood test can now be used to estimate your 'biological age'. Biological age, unlike chronological age, looks at how your body id developing or breaking down compared to the average. Knowing this can help identify the people most at risk of age-related diseases, such as dementia.
If you have a very young child, spirometry is not practical. So the diagnosis is made based on your report of symptoms. Lung function tests. In an older child, lung function tests can diagnose asthma, determine its severity, and check for complications. Spirometry is the most common test to diagnose asthma in older children. It measures how quickly a child can move air in and out of the lungs and how much air is moved. Testing of daytime changes in peak expiratory flow (PEF) is done over 1 to 2 weeks.