Answer:
The best option is to start with small changes. Use olive oils, which are the best to maintain good heart health, drink skim or semi-skim milk and eat lean meats.
Step-by-step explanation:
Some options to replace unhealthy fats may include the following: 
-Eat lean meat, turkey breast, chicken without the skin. 
-Milk, cheese, or low-fat or semi-skimmed yogurts. 
Olive oil, canola oil, margarines without trans fats 
-select whole grains, such as brown rice, whole grain breads, whole wheat crackers. 
-fruits and vegetables in general