What percentage of your total calories per day should come from protein?

No more then 35% should come from protein on a daily basis.

The answer you're looking for is washing your hands. "at this late date, we all expect our doctors to wash their hands before examining us or performing an operation in order to prevent the spread of infection. surprisingly, physicians did not begin to acknowledge the lifesaving power of this simple act until 1847.it was then that dr. semmelweis began exhorting his fellow physicians at the famed vienna general hospital (allgemeines krankenhaus) to wash up before examining women about to deliver babies. his plea was far more than aesthetic; it was a matter of life and death and to prevent a deadly malady known as “childbed” or puerperal (from the latin words for child and parent) fever." 

As with any degree, you can expect to have a core set of compulsory modules to begin with, but the number of compulsory modules is likely to reduce in subsequent years to allow more scope.hope this .