Tusks are growing the whole life. For the female elephants tusk replaces the milk teeth, which are shaded after around twelve months. The tusks grow almost immediately and start protruding at the age of between two to three years. Their rate of growth is steady and on average increase by 15 to 18 centimeters every year.
Mid-to-late stage dementia and Alzheimerâs disease often presents challenging behavior problems. The anger, sadness, paranoia, confusion and fear that people with the disease are experiencing can result in oppositional, aggressive and sometimes violent speech or actions. Understand and learn which strategies are most effective in dementia behavior management.
Dementia causes. Dementias can be caused by brain cell death, and neurodegenerative disease - progressive brain cell death that happens over time - is associated with most dementias. However it is not known if the dementia causes the brain cell death, or the brain cell death causes the dementia. But, as well as progressive brain cell death, like that seen in Alzheimer's disease, dementia can be caused by a head injury, a stroke, or a brain tumor, among other causes.