Nuts. It is believed that some products stimulate more productive brain work. These include nuts, especially walnuts, as well as chocolate, better black. Glucose is also good here, so a spoon of honey can give a charge.
Nuts. It is believed that some products stimulate more productive brain work. These include nuts, especially walnuts, as well as chocolate, better black. Glucose is also good here, so a spoon of honey can give a charge.