The statement that the benefits of physical fitness include an improvement in mood is true. Physical activity improves the quality of life. Despite the benefits regarding the weight and body image, physical activity contributes also to mental health because it stimulates various brain chemicals that may leave you feeling happier, more relaxed and less anxious.
Answer:
engine exhaust, domestic heating, volcanic eruptions
Explanation:
Nail biting happens Because people have anxiety. The nail biting relieves stress, tension, and or boredom.
Hope this helps
~QueenSupreme aka Black-Rose♥
Physician desk reference book
