Zombie cells are a hot topic in the scientific community, with groundbreaking research being conducted worldwide to find ways ...

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How to protect your immune system as you get older with simple lifestyle changes that boost your body's defenses and improve ...

Why is it so difficult to ditch a bad habit or maintain a good one? The answer is in the brain, writes Dr Catherine Conlon ...

Compare the size of up to three phones side-by-side or on top of each other.