Cold sores are little blisters that erupt on the surface of the skin and mucous membranes, mainly on and around the lips. The virus responsible for cold sores is known as Herpes Si

Colds and flu (influenza) are both viral infections. Head colds tend to be affairs of the upper respiratory tract (nose, throat and sinuses) and chest colds affect the lungs; Influ

Horace Fletcher (1849–1919), a self-taught American nutritionist, was known as ‘the great masticator’ for his advice that one must chew each mouthful of food 32 times before

Coughing is an important bodily function. Normally the cilia, or the tiny hairs that line the airways, move in unison (like a ‘Mexican wave’) and transport mucus and particles