smoking is really bad and dangerous , it can cause cancer and your lungs will be black and infected
When it is abused, alcohol can increase risk of vehicular injury or death, can increase the risk of falls, can increase the risk of violence, etc.
it affects the environment because there might still be animals on the farm
there are some negative effects of later school start times: late finish fatigue lack of concentration don't get be out in the daylight as much they are just some of the negative effects, there are...