A poorly functioning brain, as you may have already experienced, leads to lessened work productivity, which in turn means an unhappy boss, lack of job satisfaction, sugar cravings for energy, and depression. It’s a horrible domino effect. The original ketogenic diet was formulated by Dr. Russell Wilder in the early 20th century to treat epilepsy. The success rate was phenomenal and it is still used today to treat epilepsy and other brain disorders. Research also indicates that ketones are more efficient brain fuel than glucose.
(Source: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5102124/ )