Which statement supports the idea that parents are the most important people in an infant’s life, particularly as it relates to cognitive development? The attachment bond with parents is the foundation for a baby’s perception of the world as a safe or scary place.
Babies will cry when leaving their parents or are approached by a stranger.
Babies only communicate through facial expressions, body language and sounds when trying to get his or her parents’ attention.
Parents are the only ones who can foster emotional and social development.

The attachment bond with parents is the foundation for a baby’s perception of the world as a safe or scary place.

Explanation:

The impact of parents may never be greater than during the earliest years of life, when a child’s brain is rapidly developing and when nearly all of her or his experiences are created and shaped by parents and the family environment. Parents help children build and refine their knowledge and skills, charting a trajectory for their health and well-being during childhood and beyond.

i think it's the first one because doctors aren't the ones who get rid of the old needles. most of them time it's not even doctors who give you shots, it's nurses.

try going vegan or the palyo diet!