Psychology & Psychiatry

Who are the loneliest Americans?

Middle-aged Americans are most likely to feel the pinch of loneliness in their lives these days, a new AARP survey has found.

Diseases, Conditions, Syndromes

Single-dose dengue vaccine 'will help Amazon communities'

A world-first single-dose vaccine against the dengue virus, manufactured and approved for use in Brazil, will especially benefit populations in hard-to-reach regions of the country such as the Amazon, say disease specialists.

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