Despite decades of medical research, the causes of Alzheimer's disease are still unknown. However, numerous risk factors have been identified, such as: age, genetic predispositions, lack of physical and intellectual activity...
A few months apart, two studies have pointed out an original track: toxic proteins produced by a bacterium, Porphyromonas gingivalis, responsible for gingivitis and periodontitis (that is to say, when the gum and the jawbone are attacked).