Are we afraid of food?

get exposed to (in this context) meet or encounter

I remember my first encounter with a smartphone. I had no idea how to start with it.

sterile completely clean with no bacteria

gluten a protein found in wheat and some other grains

rickets a disease caused by a lack of Vitamin D in the diet and affects bone development in children

malnourished not having enough to eat or enough of the food you need to keep you in good health

anaphylaxis a severe allergic reaction

She is a dietician here in the UK.

For roughly the first month of life the immune system is switched off in essence and everything they [babies] get exposed to in that first month in life

And through exposure to lots of things in our environment young babies meet different bacteria for the first time which colonise – or live and grow in – their guts.

hese children aren't malnourished because they're too poor to eat well

Nuts - that means crazy

An injection of adrenalin can be used to treat anaphylaxis – or severe allergic reactions – to insect stings, foods, drugs, and other allergens.