©2016 Bloomberg News O4RXSB6KLVRJ (Bloomberg) — Commodities including oil and copper are at risk of steep declines as recent advances aren’t fully grounded in improved fundamentals, according to Barclays Plc, which warned that prices may tumble as investors rush for the exits. Copper may slump to the low $4,000s a

Although editing your teeth to look whiter in a photo can be fixed quickly with the click of a button, individuals still desire to have pearly whites for in-person interactions and as a boost of self-confidence. Scared off by the high price tag of professional in-house teeth whitening, many individuals take to DIY methods they’ve seen passed around social media. However, while these viral trends might seem like a cost-effective way to whiten your teeth, they can end up doing more harm than good. Here’s why you should be careful with DIY teeth whitening hacks: