Final answer:
Physical health, including physical fitness and regular exercise, has a significant impact on job performance by reducing stress, improving mental health, and enhancing cognitive function.
Step-by-step explanation:
Physical health has a significant impact on job performance. Research shows that increased physical fitness is associated with reduced stress levels, which in turn can improve job performance. Regular exercise can also protect against stress-related health problems, such as hypertension and heart disease.
Additionally, physical exercise has mental health benefits, including reducing stress, improving body image, and promoting positive self-esteem. It can also improve cognitive function, leading to better job performance.
Overall, maintaining good physical health through regular exercise and healthy habits can have a positive impact on both physical and mental well-being, ultimately improving job performance.