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An average menstrual cycle lasts approximately:
Immune System
The complex network of cells, tissues, and organs that work together to defend the body against infection, disease, and foreign substances.
Stress
A reaction of the body and mind to demanding situations, which can be positive or negative and affects physical and mental health.
Susceptibility
The likelihood or predisposition to be affected by something, particularly a disease or condition.
Osteoporosis
A bone disease that occurs when the body loses too much bone, makes too little bone, or both, making bones weak and more likely to break.
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