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The discovery that pain receptors continue to function within nerves may lead to more effective pain medications with fewer side effects.

Researchers report that CRISPR-Cas9 gene-editing technology can introduce hundreds of unintended mutations into the genome.

Frequent users of cannabis—including marijuana and hashish—are more likely to have gum disease, Columbia University dental researchers have found.

Writing in NEJM, Columbia ophthalmologists say a form of Vitamin B3 may be able to stop the progression of glaucoma by protecting the eye's neurons.