Like all types of dementia, Alzheimer's is caused by brain cell death. It is a neurodegenerative disease, which means there is progressive brain cell death that happens over a course of time. The total brain size shrinks with Alzheimer's - the tissue has progressively fewer nerve cells and connections.
I think it may be hurdles
Answer:
The correct answer is - option D.
Explanation:
The study conducted by the Mosher and his associates 2005 found about the sexual orientation and normal sexuality of an individual showed that the vast majority of participants had engaged only in heterosexual behavior.
Only 6.5% of total participants had exclusively engage in homosexual behavior. It shows that majority of individuals are involved sexually with opposite sex.
Thus, the correct answer is option D.
I would go with answer D .banana and nuts