Effects on body systems : The most disrupting manifestation is vasomotor symptoms affecting nearly 75% women and lasting an average of 7.4 years.14.15. Hot flashes are the commonest appearing over the dorsum of foot or wrists though it can appear anywhere. They have a tendency to persist and nearly 24% women in the 75 to 79 years age group constantly complain about it. Other vasomotor symptoms could be sleep disturbance, fatigue, depression, memory loss and so on. The symptoms of memory, concentration and learning problems are now collectively called BRAIN FOG and can have far reaching effects. In all aspects surgical menopause has more severe consequences on cognitive functions than natural menopause with increased risk of full blown dementia especially if menopause was attained before the age of 45 years.