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The immune system

All about your immune system

Your line of defence against invading micro-organisms – that’s what your immune system is. Find our here how it works, what could go wrong and what you can do to give it a boost.

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Hope and pray this young man won't attempt to take his life again. Teen painted red for being gay
Drug-resistant bacteria cause stubborn infections

The more bacteria are exposed to antibiotics, the higher the chance they will develop resistance to the drugs. Unnecessary exposure can happen in humans who take antibiotic drugs they don't need.

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Heavy snoring linked to earlier mental decline Do you suffer from insomnia or poor sleep? Is your cat affecting your sleep?

5 types of nightmares

Ever dreamed of being trapped in an elevator? Or of being chased by a killer? Or of trying to escape a torrent of hot, volcanic lava? Get the lowdown on nightmares here...