AC systems are designed to cool a home, things like insulation also matter, but actually, most people don't know that an average AC unit to cool a home is designed with an 'about 20 degrees' difference. So, this means if…
Keep it maintained and clean and the filter changed regularly.
There are sources that will tell you sleeping under a fan or with the fan blowing on you can cause dry mouth, nose or throat. However, there are people who have slept most of their whole lives using a fan…
Stop being a fatty. Cut the McDonald's out of your diet and get your shit together, get a job so you can afford a real air conditioner.