Researchers believe they may be close to perfecting a method of encouraging teeth to repair themselves, as Stuart McDill reports, making the filling a thing of the past.

Singer-guitarist Glen Campbell, the "Rhinestone Cowboy" who went on a farewell tour to play hits such as "Wichita Lineman" and "Gentle on My Mind" before Alzheimer's disease robbed him of his talents, has died at the age of 81.

The drug aducanumab could be approved in the US and EU soon. It effectively combats the amyloid beta plaques in the brain that are indicative of Alzheimer's disease. But does it also slow down memory loss?

Estimated to account for up to 70 percent of dementia cases, Alzheimer's is a severe neurodegenerative disease.

Ahead of World Alzheimer's Day, the German government's statistics office released figures showing that hospitalizations and deaths had more than doubled in the past two decades as the country ages.

Women are nearly twice as likely as men to develop Alzheimer's disease, according to the Centers for Disease Control and Prevention (CDC) , but there is little understanding of why exactly this is. The condition is the most common form of dementia, and it affected 5.8 million North Americans in 2020.

Preliminary data from a September trial showed the drug slowed cognitive decline by 27% in patients. It also indicated that the treatment risks brain swelling and bleeding among some patients.

Drug developers are making progress with treatments for Alzheimer's disease, one of the leading causes of dementia.