Advantages of Breast Milk

A not necessarily well-prepared student sat in his life science classroom, staring at a question on the final exam paper. The question directed: 'Give four advantages of breast milk.'

What to write? He sighed, and began to scribble whatever came into his head, hoping for the best:

1. No need to boil.
2. Never goes sour.
3. Available whenever necessary.

So far so good - maybe.…