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MATERIAL

nfhs.org: Sports medicine guidelines explaining that ORS and high‑sodium drinks are necessary for endurance or hot weather.

fda.gov: FDA definitions of “very low sodium” and other nutrient claims.

fda.gov: FDA explanation of sodium Daily Value and how to interpret %DV for low or high sodium.

nfhs.org: Typical sports drink sodium/potassium composition (~110 mg sodium and 30–40 mg potassium per 8 oz serving).

ods.od.nih.gov: NIH report noting low potassium/high sodium increases hypertension risk; higher potassium lowers blood pressure.

ods.od.nih.gov: NIH report linking higher dietary potassium intake to reduced stroke risk.

pmc.ncbi.nlm.nih.gov: Guidelines for nausea in pregnancy recommending 2 L fluids/day and electrolyte maintenance.

pmc.ncbi.nlm.nih.gov: Recommendation that cold popsicles or ice chips may ease nausea during pregnancy.

medlineplus.gov: MedlinePlus explanation of electrolyte functions in body water balance, muscle/nerve function, heart rhythm.

medlineplus.gov: MedlinePlus listing causes of electrolyte imbalance (vomiting, diarrhea, heavy sweating, inadequate fluid intake).

med.virginia.edu: Article noting that ORS with sodium concentrations > 70 mEq/L are hard to drink; patients need dilution and flavoring to adapt.

med.virginia.edu: Article describing high‑sodium ORS as poorly accepted and often requiring dilution.

nfhs.org: Reminder that 2 % body weight loss via dehydration impairs athletic performance.

nfhs.org: Sports drinks deliver fluid, electrolytes and carbohydrates during prolonged activity.