What are the health concerns of trans fats?

Learning resource: Kansas State text Chapter 2.3
What are the essential fatty acids?
List sources of essential fatty acids.
Differentiate between triglycerides, phospholipids and sterols.
Learning resource: https://umuc.equella.ecollege.com/file/b1adf924-a8cd-46e2-a860-6c93e2c1342b/1/DietaryFat.pdf
How much total dietary fat does the body need?
III. Learning resource: https://umuc.equella.ecollege.com/file/1fba7947-35a3-4cd7-ab5f-22b6a3e4db5c/1/TransFat.pdf
What are the health concerns of trans fats?