Hello. I am 43 y old .I m struggling with depression ,overweight,bad lipids,fatigue,sleep problems,hair loss,heavy periods,hashimoto ,back pain ,heavy periods ,I am trying to understand Peat ,but I need some help,I suffer from brain fog which stops !me from reading & staying on top of house work ,stopped working 3 years ago ,please can you explain if estrogen is all bad or a little of it is good ,I am confused because why do we produce it then , I m on antidepressant ,progesterone oral & cream and t3t4 .I am taking metformin .fish oil helps with back pain & rosacea ,but I beleed heavily on my periods.