Hi Good Afternoon My Name Is Amity Baxter Iam 35yrs

Hi good afternoon my name is amity baxter Iam 35yrs old just have a question hope you can help me I have had 2 children my period has never can back to normal but will still last for 5 days I have just finished my current cycle it was light can this happen sometime I have been drinking energy drinks every day can this affect it how can I my cycle back to normal