The phrase "to protect the brain" means to keep the brain safe and healthy by taking actions or using measures that prevent harm or damage. Full definition
Recent research also suggests that certain plant - based diets could help protect the brain from some types of age - related decline. (businessinsider.com)
Scientists have studied the plant and found that it contains properties that protect brain cells from damaging toxins. (discovermagazine.com)
Studies have shown that green tea consumption may help protect brain cells. (mindbodygreen.com)