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It can be dangerous to go without sleeping, even for a day. Longer-term sleep deprivation can cause cognitive impairment, hallucinations, and other side effects. The longest recorded time without ...

Solar-powered calculators may have familiarized a new generation with green energy. On the other hand, maybe they were just cool.

Two senior officials at the FDA's drug promotion regulatory office have resigned, leading to speculation that a clampdown on some direct-to-consumer (DTC) advertising of medicines could be on the way.