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Salmon, sardines and mackerel: Fish oil good for older people’s eye sight

A chemical found in fish oil boosts the daily survival of cells critical to eyesight protecting against age-related vision loss.

fitness Updated: Dec 02, 2017 11:48 IST
Asian News International
Asian News International
Asian News International
Fish oil,Fish oil benefits,Fish oil uses
A chemical found in fish oil boosts the daily survival of cells critical to eyesight protecting against age-related vision loss.(Shutterstock)

According to recent research, eating plenty of salmon, sardines and mackerel may protect older people against loss of sight.

A chemical found in fish oil boosts the daily survival of cells critical to eyesight protecting against age-related vision loss. The discovery could lead to new treatments for a host of degenerative diseases of the retina - based on harnessing its power, reports Express.co.uk.

Results reveal the omega-3 fatty acid DHA, which is abundant in oily fish, preconditions different types of retinal cells to be able to withstand ‘stress’, such as their blood supply being cut off. In laboratory tests, human eye cells exposed to constant light withstand damage if they are supplemented with such oils.

Neuroscientist Professor Nicolas Bazan, of Louisiana State University, said, “Our findings support the proposed concept that DHA and docosanoids, molecules made in the brain at the onset of injury or disease, are responsible for activating sustained cellular mechanisms that elicit long term preconditioning protection.”

Although fish oil also contains omega-6 AA, which is inflammatory and could therefore cause damage, omega-3 DHA is thought to alter the former oil’s action. In laboratory experiments the researchers exposed human retinal cells, as well as those of living rats, to constant light. The study was published in journal Cellular and Molecular Neurobiology.

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First Published: Dec 02, 2017 11:48 IST