Answer:
Prolonged stress can cause high blood pressure, weaken the immune system and contribute to diseases such as obesity and heart disease. It can also lead to mental health problems such as anxiety and depression—disorders that are becoming more common in youth.
Explanation:
The best surface for a beginner to run on is smooth and soft so that it can cushion the stresses of running. For a more advanced runner, hills could be beneficial in improving their training and cardiovascular endurance.
Answer:
B. Magnesium
Explanation:
Magnesium is a mineral. This mineral is crucial to humans and life itself.
