trouble remembering things. because you can't remember things, it leads to other symptoms like depression and anger. it's like dementia but worse.
Explanation:
proteins known as beta- amyloid form into large clumps called tangles and plaques. they get in the way of normal brain function, and starts to kill healthy cells. this usually starts to happen in the part of the brain where memories start to form. from there, they progressively start to spread in your brain. that is why you can't remember things. the part of your brain that forms memories probably took the most damage.
The main symptom is forgetfulness of things that have just happened, but other symptoms can be observed.
Explanation:
Alzheimer's is a type of dementia that causes memory, thinking and behavior problems. Symptoms usually develop slowly and worsen over time, becoming severe enough to interfere with daily tasks.
Alzheimer's disease is a chronic neurodegenerative disease. It is the biggest cause of dementia among the elderly.
Interestingly, Alzheimer's affects women more than men, but this can be explained by the fact that female life expectancy is longer.
The main symptoms of this disease are:
Trouble speaking;
Forgetfulness of things that have just happened;
Loss of temporal notion (day of the week and hours);
Get lost in places the person knows;
Difficulty in making decisions;
Lack of motivation;
Mood swings such as depression and anxiety;
The person may be aggressively on unusual occasions;
Lose interest in hobbies and other routine activities;
Ask and answer the same thing several times, not remembering that they have been done before
Forget appointments and events;
Begin to forget the names of family members and everyday objects;
The answer is B. The reason why is because natural selection causes changes in a populations over many generations, and in this case the change that is being made is the that the population is becoming immune to a disease.
