One difference is that the amount of vitamin B12 in Centrum Silver (25 mcg) is much lower than the amount used in the positive studies (100 and 500 mcg, respectively). Loss of cognitive function is a well-known effect of vitamin B12 deficiency.
Click on the download link. Allow the song to download to your cell phone. Close your web browser and locate the song on your cell phone (usually under sounds, music, mp3s, or multimedia). Select the song to play it.
Open the Music app. Step 2: Select the Songs option at the bottom of the screen. Select the Songs tab at the bottom of the screen. Step 3: Locate the song that you want to delete from your iPhone 5, then swipe your finger to the right on that song.