Q. Consider the following statements:
1.The constant use of alcohol over years makes the blood vessels brittle and rigid.
2.The deposition of alcoholic fat in the blood vessels affects adversely the working of the heart.
3.Alcohol is a stimulant and not a depressant.
4.Methanol (wood alcohol) that is found in spurious drinks is highly toxic and causes blindness.
Which of the above statement are correct?