Sleep apnea is a sleep disorder characterized by interrupted breathing. There are two main types of sleep apnea: obstructive ...

The work of air masks are to act as a filter for harmful ... to absorb moisture from the breath and provide comfortable breathing. Depending upon the type of mask, its effectiveness in filtering ...

With the air turning hazardous ... "Masks increase the resistance and space volume, leading to a re-breathing of CO2. Wearing masks for more than five minutes bears a possible chronic exposure ...

Masks have been protecting our health – and obscuring our vision – for centuries “Breathing is the biggest ... a senior official at LG Electronics’ air solution product team, said.

They can be highly effective in protecting against air pollution ... Some of the masks also have an exhaust valve which makes breathing easier especially for those with pre-existing lung problems.

Doctors advise staying indoors, using air purifiers, wearing masks and seeking medical help ... is taking nebulisers and medicines for a breathing ailment. "Now that the winter is here, the ...