QUESTION: Fix punctuation: Moreover there are all the cases of arteriosclerosis and heart disease where the cause the villain cholesterol could not be traced in the body affected
ANS: Moreover, there are all the cases of arteriosclerosis and heart disease where the "cause" - the villain cholesterol - could not be traced in the body affected.

QUESTION: Fix punctuation: Even though both the EU and CEN have expressed wishes to include environmental aspects in standards there is still a long way to go before this becomes a reality in all relevant cases
ANS: Even though both the EU and CEN have expressed wishes to include environmental aspects in standards, there is still a long way to go before this becomes a reality in all relevant cases.

QUESTION: Fix punctuation: This makes it more difficult for a foreign operator to provide telecoms services in the country The Commission also has concerns that notification requirement applicable to telecoms operators go beyond what can be imposed in view of the maximum harmonisation provided by EU law in this regard
ANS: This makes it more difficult for a foreign operator to provide telecoms services in the country. The Commission also has concerns that notification requirement applicable to telecoms operators go beyond what can be imposed in view of the maximum harmonisation provided by EU law in this regard.

QUESTION: Fix punctuation: It should be fun
ANS:
It should be fun!