A sudden change in the colour of your face ... Cyanosis is the medical term for when your skin, lips or nails turn blue due to a lack of oxygen in your blood. If you’ve been feeling queasy ...

Respiratory viruses typically experience their highest levels in the wintertime, and this year will likely be no different.

"I was on 14 litres of oxygen - that's the highest they give you just before you move into intensive care. "Never ever did I factor that the colour of my skin or the pigmentation in my skin would ...

Here are several common reasons why your lips might be changing colour ... can lead to poor oxygen circulation in the blood, causing the lips to darken due to lack of oxygen.