Herb protects eyesight as we get older

The rosemary herb can keep our eyesight sharp, and protect us from failing sight as we get older, researchers say.
The herb’s active ingredient is carnosic acid, a natural antioxidant and anti-inflammatory that protects against age-related macular degeneration, the most common cause of failing eyesight in the West.
It also protects against retina deterioration, say researchers from the Sanford-Burnham Medical research Institute, which tested the herb on laboratory rats.
In earlier studies, the researchers discovered that carnosic acid protects against brain inflammation.
(Source: Investigative Ophthalmology & Visual Science, 2012; 53: 7847-54).

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