<s>[INST] The last 47 days I have been faithfully on the Whole30 Diet. I have been experiencing an increase in memory loss, confusion, lack of concentration, and fogginess throughout the day. I am 55 and female, 5 8 , 128 lbs. I am concerned about experiencing small episodes of not realizing that I forgot until much later. Thanks. D. [/INST] Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. It might be due to decreased sugar content in your body. Whole 30 diet is sugar free and it may decrease sugar content of your body. Consult a physician for the same. Avoid standing and working for long for time being. Hope I have answered your query. Let me know if I can assist you further. </s>