Which of these is not an advantage of the impact of computer careers. web designers have created websites that allow individuals to shop, promote business, bank, and communicate via social media sites. an increase in the number of stress and health concerns that result from working in a computer environment. medical diagnoses can be made earlier businesses can save costs on travel by meeting online using teleconference options

An increase in the number of stress and health concerns that result from working in a computer environment.  
Let's look at the available options and see what is, or is not an advantage.  
Web designers have created websites that allow individuals to shop, promote business, bank, and communicate via social media sites.
 * This means that people don't actually have to travel in order to do their business and meet new people. Sounds like an advantage to me, so this is a bad choice.  
An increase in the number of stress and health concerns that result from working in a computer environment. 
* Hmm. People getting sick. Doesn't sound like anything I'd like. So this isn't an advantage and is the correct answer.  
Medical diagnoses can be made earlier 
* Faster diagnoses of diseases. Sounds like an advantage to me. So this is a bad choice.  
Businesses can save costs on travel by meeting online using teleconference options 
* Saving money and time. Sounds like an advantage. So this is a bad choice.