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Humans

Revealed: the teenage brain upgrades that occur before adulthood

Editing, pruning and strengthening of neuron connections in adolescent brains makes for sleeker performance 鈥� but errors may cause schizophrenia

People wearing "HIV positive" T-shirts, holding up a banner bearing the words "HIV/AIDS"

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Huge boom in teen HIV cases could cause epidemic to spiral

Girls walking

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The unknown effect of the pill on teenage bones and brains

train sleep

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Sleep better to be better. It’s a no-brainer for doctors

IVF

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Multiple births, not heart disease, is biggest IVF health risk

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Fish oil pills may help teenagers stave off schizophrenia

Humans

Let science decide the voting age

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Open schools later so teens can lie in, say US doctors

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Teen growth spurt left Richard III with crooked spine

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UK government to ban e-cigarettes for under-18s

The sale of e-cigarettes to minors will be banned amid concerns that the devices might lead to young people getting hooked on real cigarettes

Humans

A stronger ‘online eraser’ law would be a mistake

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Why teenagers really do need an extra hour in bed

Environment

Birds got smart by becoming big babes

Humans

America’s report card 鈥� science skills improving