Detailed list of causes of Inability to concentrate. The list below shows some of the causes of Inability to concentrate mentioned in various sources: ADHD; Alzheimer's disease; Anxiety; Brain injury; Cannabis; more causes...Â» See full list of 30 causes of Inability to concentrate. How Common are these Causes of Inability to concentrate?
1 73 x 73 pixels -- This is the second largest size that your Twitter profile photo will be displayed at, and is displayed on your profile page above your bio. 2  48 x 48 pixels â These are the dimensions at which your profile photo will be most commonly seen â in your stream.
You can change your Twitter username via your account's Settings panel. Twitter permits usernames up to 15 characters in length. Permitted characters includes letters, numbers and the underscore only. You can't use dashes, symbols or spaces.hanging Your Display Name. Your display name is different from your username. Sometimes referred to as your real name, it shows up on your profile page and in the Twitter feeds of other Twitter users. It's the first name people see when reading your tweets.