It's been five years since Spotify publicly launched and shifted the music industry's focus toward streaming as a way to combat illegal downloading. While the streaming business model is far from perfect, even the most casual music fan should test out streaming while it's still growing.
Disturbed sleep from unpleasant mouth sensations. White film on the tongue (also known as oral thrush) â this coating is a buildup of sloughed material due to excessive growth of a normal yeast fungus which sometimes flourishes in a dry mouth. Rough dry tongue. Altered taste sensation (e.g., a metallic taste) Bad breath.
An overdose of selenium -- a mineral found in seafood, lean red meat and Brazil nuts -- can cause a metallic taste. Excessive zinc consumption could also produce this condition as a side effect [source: Srilakshmi]. Perhaps the most serious cause of a metallic taste is clupeotoxin poisoning.