“If it goes on long term, a vitamin D deficiency can lead to softening of the bones,” Psota says. Long-lasting deficiency also may be linked with cancers and autoimmune diseases, says Michelle Zive, an NASM-certified nutrition coach based in San Diego.

 

 

 

 

 

– ““If it goes on long term, a vitamin D deficiency can lead to softening of the bones,” Psota says. Long-lasting deficiency also may be linked with cancers and autoimmune diseases, says Michelle Zive, an NASM-certified nutrition coach based in San Diego.”