Britney and Sam marriage ‘is in deep trouble’

TMZ previously reported that the pop star guzzles caffeinated drinks by the gallon — consuming so much that sometimes she stays awake for three consecutive days. Spears reportedly drinks Red Bull, Celsius, coffee and dandelion tea “almost nonstop.” Experts — including media personality and addiction medicine specialist Dr. Drew Pinsky — told TMZ that those who suffer from mental illness often crave the high they get from caffeine, although it’s not healthy or great for them.