Verified Answer :

True.  This can be
done by knowing your family’s medical history.
Determining the type of disease that many members in each generation
were affected can help you prevent it from affecting you as well as your
current family members.  You can already
plan out, your diet, exercise, medication and other health measures to protect
your health.

Answer:

True

Explanation:

You can't change or prevent them altogether but you can be prepared for them and know what to expect by educating yourself and knowing your family history.