Your body doesnt need alcohol to function. Water, it definitely needs. 250 ml of straight alcohol will kill you. 250ml of water will make you healthy. You would die from drinking 250ml of straight alcohol, but you wouldnt die from eating the same volume of beef from McDonalds.
Who talking about need? Anyone who drinks straight alcohol is doing the human gene pool a solid. Salt and sugar are the next best thing to a narcotic. No one needs 950mg of salt in their burgers, but they get it for a number of reasons, it hides the fact that the 'food' would taste like sawdust if it didn't have it and you crave more of the same. Can you think of any good reason to have more salt in a supposed 'healthier' Mac salad than in many of their burgers.
Check the nutrition in a KFC double down if you really want to blow chunks and yet every summer it sells.
The new news is that the percentage values on most labels and charts that are used are based on the old very liberal estimates, the RDI, not the recently revised values in the DRI, .