Sage
Sage has been shown to increase brain function and memory. The Latin phrase Salvere, which means "to rescue", inspired the name Sage. During the Middle Ages, it had a high reputation for its medicinal abilities and was even used to help avoid the plague. According to current studies, sage may be able to boost brain function and memory, particularly in patients with Alzheimer's disease.
A decrease in the amount of acetylcholine, a chemical messenger in the brain, is associated with Alzheimer's disease. Acetylcholine breakdown is inhibited by sage. The sage extract was demonstrated to significantly enhance brain function in a 4-month trial of 42 people with mild to moderate Alzheimer's disease. Other studies have found that sage can boost memory performance in both young and old persons.