In: Hormones (Second Edition). Academic Press; 1997:1-47. Bich L, et al. Glycemia regulation: From feedback loops to organizational closure. Front Physiol. 2020;11:69. Wilkin TJ. Endocrine feedback ...

A healthy menstrual cycle lasts 21 to 35 days. Irregular cycles can indicate ovulation issues often linked to PCOS, which affects fertility and hormone balance.

Physicist Brian Cox defined the human body as a series of chemical reactions, and I’d agree. The majority of these reactions work on feedback loops to ensure that our internal physiological ...