Emerging data suggest that chronic hepatitis B virus (HBV) and hepatitis C virus (HCV) infections may also play a role in extrahepatic bile duct cancers. To test the HBV hypothesis,…
Several infectious agents are considered to be causes of cancer in humans. The fraction of the different types of cancer, and of all cancers worldwide and in different regions, has…
Neurodegenerative disorders of the elderly, like Alzheimer's disease (AD), are an increasing health problem in our society. Despite extensive research, the exact etiology of these syndromes is still unknown and…
Alzheimer's disease is a modern scourge and is likely to become increasingly so in the future, with increasing longevity. The disease has been investigated for over one hundred years yet…