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.
Yes it is very hard obtain it
The three minute step test involves stepping up and down on an 18-inch step for three minutes, at a rate of 24 steps per minute. The recovery pulse is then counted for 30 seconds after a one minute rest.
The Rockport walk test is performed on the treadmill, encouraging the participant to walk as fast as they can control for one mile. The workout time and heart rate are recorded at the mile mark and compared against standard averages.
A) Altered emotion is the correct answer
Diagnosing autism<span> spectrum disorder (ASD) can be difficult, since there is no medical test, like a blood test, to </span>diagnose<span> the disorders. Doctors look at the child's behavior and development to make a</span>diagnosis<span>. ASD can sometimes be detected at 18 months or younger. ... Comprehensive Diagnostic Evaluation.</span>