Correct option a) Increased plasma volume.
A potential negative health effect of stress is Shrinks the brain. Stress that's the left unchecked can contribute to many health problem, such as high blood pressure , heart disease , obesity and diabetes.
The volume of the brain tends to remain about the same, it has been found that chronic stress in healthy individuals can causes areas of the brain associated with emotions , metabolism and memory of that individual to be shrink slowly.
Stress can also be positive which is distress , getting job promotion or being given grater responsibilities keeping us alert and ready to avoid danger. It can became negative if a person faces continuous challenges without relief or relaxation between challenges.
To learn more about chronic stress here
brainly.com/question/10033876
#SPJ4
