Alzheimer's disease is a progressive, degenerative and irreversible brain disorder that causes intellectual impairment, disorientation and eventually death.
Superbugs are becoming more common - and some doctors fear they herald the end of the age of antibiotics. BBC News Online looks at the problems facing the 20th century's greatest medical advance.
Arsenic is known best as a deadly poison, although in small doses it does have medical benefits. BBC News Online looks at the workings of the chemical made most famous through detective fiction.
Over 3, 000 people a year die from asbestos diseases in the UK and the number is set to treble by 2020. Diseases include cancer of the lining of the chest and lungs. Only 25% of those who develop this cancer are still alive a year after diagnosis.
Research suggests levels of autism have increased by ten-fold over the last decade. BBC News Online examines a perplexing condition.
Visit BBC News for up-to-the-minute news, breaking news, video, audio and feature stories. BBC News provides trusted World and UK news as well as local and regional perspectives. Also entertainment, business, science, technology and health news.
feedcat.net promotes your content, measures audiences and saving load of your server resources!