The effects of stress are not all psychological! So, the answer is false.
Stress can cause heart disease, high blood pressure, diabetes and obesity.
I hope this helped :D
A food label states that a serving of a particular product contains 13 grams of total fat and 20 percent of the Daily Value. This means that when you eat a serving of this product you will be getting 20 percent of the Daily Reference Value for total fat based on a 2,000-kcalorie diet.
Technically, all of these can cause double vision and other vision problems.
I'm not really sure what "less responsive" indicates, because it can mean a broad spectrum of symptoms. However, I would answer this with alcohol because it causes your eye muscles to weaken and can include symptoms like involuntary twitching.
Sorry I couldn't provide you with a definite answer, but I hope I was able to help :)
Put your mind to it and make certain goals that you want to accomplish by a certain time etc. you won't see improvement unless your commited to your goals && if you meet your goals make new goals to accomplish