双语:美国200万青少年受严重抑郁困扰

Researchers defined a major depressive episode as two weeks or longer of depressed mood or loss of interest or pleasure, and at least four other symptoms such as problems with sleep, energy, concentration or self-image. Nearly half of the teenagers...

We need the wild world. It is essential to our well-being, our health, our happiness. Without the wild world we are not more but less civilised. Without other living things around us we are less than human. Five ways to find harmony with the natura...

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