You Can Tell How Long You are Going to Live Just by Looking at Your Spit?

In 1995, Daily Mail started a research where they took spit samples from 639 adults and monitored them for a period of 19 years.
The discovery?
They found that the levels of secretory immunoglobin A (IgA) fell the nearer the person got to death.
Antibodies are used by the body to fight infection and are secreted by white blood cells.
The researchers said the chemical appears to be a marker of mortality risk, and is much less invasive than blood sampling.
Testing levels of IgA could be used as way of looking at overall health by professionals as part of a general check-up.
This is quite………..surprising!

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