Answer the following question given this paragraph: 

A: Children who don’t get enough calcium while their bones are forming may develop a deficiency disease called rickets, in which their bones are softer than normal and become bent and stunted. Adults who don’t get enough calcium may develop a condition called osteoporosis, in which the bones lose calcium and become weak and brittle. People with osteoporosis are at high risk of bone fractures.


Q: Which disease afflicts children who don't get enough calcium during their bone formation stage?

 Choices:

- sids

- rabies

- cancer

- rickets

A:
rickets
