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But the CDC said it is concerned about the effects of nicotine salts on the developing brains of young people. Those effects include difficulty with memory, learning and attention, Schuchat said. Nicotine addiction can also prime the body to become addicted to other substances, which is "of particular concern", she said.

But there have been rumblings ever since that Amazon wasn’t ready to give up on smartphones. Reports dating back to the beginning of 2016 indicated that Amazon was working to build relationships with Android phone makers, possibly for a future Android-based device.

But those marketplaces' crowding, intense price competition, commissions and high upfront costs have led more foreign retailers to create dedicated Chinese websites for direct customer access, greater control and higher net margins, the report said.

But the new Epyc design has arrived at the right time, as Intel struggles with delays in its most advanced manufacturing process and chip shortages that have only affected its PC business to date. Support from AWS signals that those competitive days might soon be back again after Microsoft and Baidu announced last year that they would support AMD new processors, and none of those companies would make a long-term decision about the engine behind their most basic services without a close look at AMD’s road map.

But there are no guarantees.