I think it is the first one
Hereditary diseases such as certain types of cancers can be carried down in your dna.
Secondary prevention aims to reduce the impact of a disease or injury that has already occurred. This is done by detecting and treating disease or injury as soon as possible to halt or slow its progress, encouraging personal strategies to prevent re injury or recurrence, and implementing programs to return people to their original health and function to prevent long-term problems.
Lifestyle is the personal choices one makes about how to live his or her lives.
Ex:
1. The food you eat
2. Sexual Behavior
3. Using tobacco
4. Drinking alcohol
5. Stress management