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.
1 How fast you age is determined by your immune system. 2  Your immune system fights off the viruses, bacteria, etc, which try to attack you, from the common but irritating ones like the cold, flu and thrush to serious problems such as Legionaire's disease and Aids.