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The new opioid painkiller has surprisingly few side effects

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The new opioid painkiller has surprisingly few side effects

N-desethyl-fluornitrazene, or DFNZ structure.” class=”w-100″ decoding=”async”/> Structure of N-Deacetyl-fluoronitrazine, or DFNZ. Using the long-abandoned class of opioids as a starting point, scientists have discovered opioid painkillers that do not have the typical side effects of this class of drugs (nature 2026, DOI: 10.1038/s41586-026-10299-9). In tests with mice, the molecule – known as N— desethyl-fluornitrazene, or … Read more

The funny but disturbing lives of people who can’t tell from the right side – VnExpress International

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AX users show off their tattoos on their left and right arms to differentiate the directions by the end of February 2026. Image from X/bearbubb

Recently, while sitting behind her husband on a motorcycle and looking at a map to guide him to a meeting, she confidently told him to “turn right” at a three-way intersection, even though the screen pointed to the left. The mistake forced the couple to drive an extra five kilometers and arrive 20 minutes late. … Read more