Just 100 years ago, Americans would wake up to find a carton of milk delivered ... and micronutrient content of whole milk compared to 2%, 1%, and skim milk is practically the same.

Unopened whole milk can last 5-7 days, while reduced-fat and skim milk can last for over a ... "Adding a pinch of salt to the carton and shaking it to distribute the salt evenly can help.