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.
However, the size limit is only 2 Mb, so for the most part the second option is the best. If you chose another size, YouTube might re size the image to make it fit, lowering the final quality. i use 1280x720 and i make 'em in adobe photoshop, they look pretty good!