3.1.5 - Infradian rhythms

3.1.5 Infradian rhythms including the menstrual cycle and seasonal affective disorder and therapies, including light therapy.

Use - infradian rhythms to connect the rule to the data and decision in the question.

This matters because - infradian rhythms determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply - infradian rhythms to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: - Infradian rhythms is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.