Another symptom relating to the change of menstrual status with age is poor concentration and foggy thinking. Estrogen is needed for the transport of glucose into the brain, which means that too little estrogen leads to energy starved brain cells and foggy thinking. Supplementing with too much progesterone can also contribute to foggy thinking. Too much cortisol can impair memory, as can a lack of testosterone. If foggy thinking is a major symptom, it is advisable to do salivary hormone testing to confirm which of the hormones is responsible, and to make corrections to the hormone imbalances.
See your healthcare provider before taking hormones.