Cite evidence to support the general statements below



1.one reson why smoking should be banned is that it has got several health effects

2. Regular physical actvity can help children and adolescents improve cardiorespiratory fitnes

3. There are a lot of benefits of drinking water.

4. College students spending too much time on online games every week tend to suffer from worsened learning ability, concentration problems, poor academic performance and decreased interactions with other people.​