May 26, 2026
Many people notice changes in focus, memory, or mental sharpness during times of hormonal change. This experience is often described as brain fog, which can feel like slowed thinking, forgetfulness, trouble concentrating, or difficulty staying organized. Shifts in estrogen, progesterone, testosterone, thyroid hormones, and cortisol can all affect how the brain functions.
Many people notice changes in focus, memory, or mental sharpness during times of hormonal change. This experience is often described as brain fog, which can feel like slowed thinking, forgetfulness, trouble concentrating, or difficulty staying organized. Shifts in estrogen, progesterone, testosterone, thyroid hormones, and cortisol can all affect how the brain functions.