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Ethics declarations Ethics approval and consent to participate The study was approved by the Ethics Committee of Renmin Hospital, Hubei University of Medicine (Ethical Approval Number: SYSRMYY-067), and informed consent forms were obtained from all couples
"This means that a dietary change can take place a long time before any deficiency occurs." Treatment The treatment for vitamin B12 deficiency depends on what's causing the condition
Excessive exercise Excessive/extreme exercise or sudden changes in physical activity can influence your hormone production (9,12)
The latter cannot
Funding The authors declare that no financial support was received for the research and/or publication of this article
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