The common cold and diseases like influenza are caused by germs called viruses. These germs are infectious and can stay on ...

Sneezing helps get rid of germs, irritants, and allergens from the nose. Hay fever, respiratory illnesses, and air pollutants may all cause sneezing. Sneezing is a normal function of the body and ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Aaaaa-choo! While your first thought may be to ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Meg Sorg, Purdue University (THE CONVERSATION) Advertisement Article continues below ...