Question

which of the following is a potential benefit of regular physical activity for disease prevention?
higher stress levels
increased risk of obesity
weakened immune system
improved cardiovascular health
question 17
1 pts
what is the purpose of vaccinations according to the reading?
to cause disease outbreaks

Explanation:

Regular physical activity can strengthen the heart, improve blood circulation and lower the risk of heart - related diseases, thus improving cardiovascular health. Vaccinations are used to stimulate the immune system to produce immunity against specific diseases, not to cause disease outbreaks.

Answer:

For the first question: Improved cardiovascular health
For the second question: None of the provided options are correct as the purpose of vaccinations is to prevent disease outbreaks, not cause them.