This randomized clinical trial assesses whether intrauterine instillation of mepivacaine reduces pain and improved tolerability during intrauterine device placement in nulliparous individuals.

Scientists have long known that the immune system plays a key role in aging. As people age, they have weaker responses to vaccination, greater risks of infection and higher levels of inflammation. A n...

Diphenhydramine, once a pioneering antihistamine, is now overshadowed by second-generation antihistamines with similar efficacy and fewer adverse effects. Current data suggest that the adverse side-ef...

The failure of a clinical trial by Unity Biotechnology is likely to raise new doubts about its ability to develop drugs to reverse the symptoms and diseases associated with aging.

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