I am not sure, but I think that "the" is optional in the sentences below:
- Vitamin C is essential for the development of children.
- The lack of vitamin C can cause tiredness.
- Tiredness may be caused by the lack of Vitamin C.
- Not consuming enough fruits can lead to the lack of vitamin C.
- New parents often suffer from the lack of sleep.
Could you give me some advice on how to use definite article with uncountable noun?
When I make general sentences with uncountable nouns, I don't know that I should use "the" or not.
I have asked a lot of native speakers but it seems that native speakers often use their instinct in using "the", but we as learners don't have such instinct