Intense physical exercise often lead to an increase of neurogenic cellulose (NFL) in serum concentrations ,?a biomarker of axonal damage in the brain.
A?189-day experiment involving 81?American professional soccer players?showed that daily supplementation?of 2 g of DHA?alleviated the?rise in serum NFL?concentrations after intese exercise. [1]

[1] Effect of Docosahexaenoic Acid on a Biomarker of Head Trauma in American Football