A construction worker was taken to hospital with minor injuries, apparently caused by inhaling gas.

His father had suffered burns as a foundry worker and had inhaled gas when working in a factory.

Some came to the institute to lounge around, inhaling gas after hours.

Electronic cigs work by letting users inhale nicotine vapour and are exempt from any future duty rises as they do not contain tobacco.

So the emergence of e-cigarettes, which allow smokers to inhale nicotine without smoke and hence at much-reduced risk, has been a game-changer.

E-cigs allow users to inhale nicotine without harmful tobacco smoke - but experts are divided on how safe they are.

Health regulators worry that inhaling nicotine vapour might be a gateway to smoking tobacco.

It can't be good for anyone to spend hours inhaling oxygen that has been circulated time after time.

But his researches proved inconclusive, and when he inhaled oxygen himself it gave him a fever and nosebleeds.

Inhaled oxygen may also be provided.

A post-mortem found he died from inhaling smoke.

We've inhaled smoke for two days.

In people with existing cardio-respiratory issues, inhaling smoke can cause inflammation that stresses the body and makes blood more likely to clot, increasing the risk of a heart attack.

Two patients and two members of staff were treated for the effects of inhaling smoke.

The practice of inhaling smoke was employed as a remedy for many different ailments.

Put a towel over your head and inhale steam from a bowl of boiling water, preferably with menthol crystals or eucalyptus oil.

You achieve the same by drinking fluids and inhaling steam.

Inhaling steam from a bowl full of hot water can help to unblock a stuffy nose.

I've tried inhaling steam and menthol but it hasn't helped.

The old practice of inhaling steam from a basin of hot water has long been recognised for effectively treating sinus infections, by helping to relieve congestion and pressure.