Vetiver oil has been found to be very effective in treating symptoms of ADHD like anxiety, stress, difficulty in concentrating. and distraction. One study also found that it enhanced learning and memory, while increasing alertness
Glycerites are used a lot in herbalism, as they are considered alcohol-free tinctures. They are actually extracts of plant matter in glycerine. There is a dual benefit to glycerites. There is the benefit from the extracts of the plant matter that is soaked in the glycerine and from the glycerine itself which is an excellent humectant
Zinc deficiency can cause a broad range of physiological signs which may include, epidermal, gastrointestinal, immune, skeletal, and reproductive systems. It may also affect the central nervous system. The discovery of zinc deficiency as a human health problem was in 1961. Anemia, hypogonadism, and dwarfism were reported in an Iranian farmer.