In recent years, an increasing number of scientific investigations have backed an alarming hypothesis: Alzheimer's disease ...

A dentist has explained the symptoms you need to watch for - and what they could mean, from liver failure to osteoporosis ...

Why do you salivate a lot just before vomiting? And how do lemon juice and your rate of saliva production indicate whether ...

You might experience a variety of allergy symptoms this summer, from a sore throat, congestion and water eyes. Here's what to ...