Aisha Is a 21 Year-Old, Long-Distance Runner

question 6

Essay

Aisha is a 21 year-old, long-distance runner. She is underweight and has stopped menstruating. Her total energy intake is 500 kilocalories below her recommended intake. Her average calcium intake is 800 mg/day and her average vitamin D intake is 5 ug/day. Aisha also has lactose intolerance. Provide a likely explanation for why Aisha is no longer menstruating. Explain how this can impact her long-term bone health. Provide Aisha with some dietary suggestions to improve her nutrient intakes. Include a discussion on the bioavailability of nutrients in your dietary recommendations. If Aisha were to consider supplements, which would be the best choice?

---

Definitions:

Economic Integration

The process whereby countries reduce trade and investment barriers among themselves, aiming to increase economic cooperation and interdependence.

Internal Tariffs

Taxes imposed by a government on goods and services traded within the same country.

Opportunity Cost

The value of the best alternative forgone in making any decision, a concept central in economics for understanding resource allocation.

WTO

The World Trade Organization (WTO) is an international organization that regulates international trade between nations.