To ensure optimal health, we must feed our bodies nutritiously, exercise them regularly, avoid harmful behaviors and substances, watch for early signs of sickness, and protect ourselves from accidents.

Physical.

Explanation:

The individual should keep the body and mind fit to stay away from the disease and the stress condition. The proper health of the individual increase the age as well as the social status of an individual.

The optimal physical health includes the state of the wellness of an individual. The optimal health can be developed by the proper yoga and exercise. The balanced diet with the roper nutritious and no inhalation of harmful chemical substance helps in the development of the optimal physical health.

Thus, the answer is physical.