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It has ways to protect itself: mucus traps particles and germs, and tiny hair-like structures called cilia sweep the mucus up so it can be coughed out or swallowed

If you experience any symptoms of dehydration, such as headache or dizziness, take a break from vaping and rehydrate

MR studies have the advantage of reducing confounding and reverse causation biases inherent in observational designs, though they rely on the validity of genetic instruments

Restrictions on the Supply, Prescribing or Administration of Medicines under the Medicines Act 1981 and Misuse of Drugs Regulations 1977

Don't bring the tip of your tongue up above your teeth, or it will interfere with the smoke ring