Number one advice about drawing is to draw from real people or photos of real people. Number two is men’s bodies typically fit into the width of their shoulders. Number three is women are generally shaped like figure eights and Coke bottles. If you need any more sketch tips the internet is your oyster. This is my contribution to the buffet. Try some sample platters!
Here is my brief post about shoes and feet.
A briefer post about drawing legs.
Here is my post about hands.
A brief post about facial shapes.
I even did a quickie about eyes and noses.