How could a teenager obtain a days worth of folate

If they take a vitamin every day, they are probably getting the folate they need.
You also should eat foods that have folate in them. Foods like cereal, bread, rice, and pasta have folic acid added to them

Broken bone result of heredity

Whats important is to eat healthy food to prevent heart disease. another why not to get heart disease is to always exercise in a timely manner. lastly, always stay active and go to the doctor for checkups just in case.