Giving blood often has a hidden benefit that we never knew existed.

According to this Australian study, donating blood regularly would help reduce PFAS levels in the donor’s blood.

Giving blood is an action that saves many lives, including that of the donor. Indeed, in addition to helping those who need a transfusion (with a very small gesture for us, which can mean a lot for those who are sick or injured), blood donation is also a benefit for us, s is done regularly.

According to this study, frequent blood donations would reduce the amount of SPFA present in our blood. the perfluoroalkyl substancescommonly called PFAS, are chemical substances present in many objects of daily use (soaps, dishes, paints, clothes…) and harmful to our health: they are in fact endocrine disruptors, and are involved in the development of cancers.

The greatest danger of these chemicals is given by the fact that they do not degrade quickly in the environment, but can “resist” even for years and accumulate in ecosystems – or even inside our body, multiplying the harmful effects for our health.

A team of Australian researchers carried out blood tests on 285 firefighters on duty in the Fire Rescue Victoria and who donated their plasma and blood multiple times over a twelve month period. Firefighters, by profession, are regularly exposed to PFAS contained in fire-fighting foam, and the levels of these substances in their blood are higher than those of the general population.

Of the examined sample, 95 firefighters donated blood every 12 weeks, 95 others donated plasma every 6 weeks and 95 others donated neither blood nor plasma. Based on analyzes performed after a year in which firefighters had repeatedly donated blood and plasma, it was found that the levels of PFAS present in the blood were significantly reduced compared to samples taken from a group of firefighters who have never donated blood.

(Read also: Donate blood: 10 good reasons to do so)

But that’s not all: although blood and plasma donations both contribute to the reduction of PFAS levels, plasma donations seem to be more effective, with a reduction in chemicals of up to 30%. We know that PFAS bind to serum proteins in the blood: Therefore, a reduction in this blood component may help reduce PFAS levels.

This is a first study, which deserves further study. However, already from these initial results, it can be seen that blood donation is an effective method for reducing PFAS concentrations in the blood – without requiring any type of drug treatment or medical intervention. A gesture that is based exclusively on an act of generosity for the benefit of others and that can also help those who give to feel better.

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Source: JAMA Network

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