How can you tell if someone has buimia nervosa?

Answer 1

Here are some ways you can tell:

• they may have a rapid weight loss
• they may wear more baggy, larger clothes (to hide themselves or make them look thinner)
• they won't eat around other people or say they've already eaten/will eat later/ etc.
• their hair & nails may start to get brittle
• their skin will start to yellow
• they may seen anxiety or depressed

Answer 2

You can't always, but if you're suspicious, talk to the person about it.