The bad side affects of acid are higher body temperature, sweating, nausea and loss of appetite, increased blood sugar, heart rate, and blood pressure, sleeplessness, dry mouth and tremors. LSD die because their mind tricks people in into doing dangerous things. LSD deaths occur because of suicide, accidents, dangerous behavior etc.
Only bad side effect is taking it if you have pre-existing mental disorders and if not supervised or take too much you can have a difficult time and that can cause anxiety
otherwise (if right set and setting and time+amount is right) it is safe and ends in 12 hours just make sure it is tasteless, many RC's go around that can kill, LSD is tasteless and not lethal :) Hope I helped https://www.youtube.com/watch?v=badPi0f7CQg