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Description
Delta sleep, characterized by increased delta waves during sleep EEG, is also known as stage-3 or slow-wave sleep

Hancher et al

( i - l ) Daily energy intake, ( m - p ) daily TEE, and ( q - t ) respiratory exchange ratio (RER)

Factors Contributing to Deficiency: Reduced Stomach Acid: Older adults often produce less stomach acid, which is necessary for separating B12 from food proteins
