Trial Parameters
Eligibility Fast-Check
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Brief Summary
The purpose of the proposed double-blind, randomized placebo-controlled trial is to understand how supplementation with fish oil \[docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA)\] promote brain health against soccer heading. The study involves taking DHA+EPA or placebo, questionnaires, blood draws, brain imaging, tests to evaluate heart function, and soccer headings.
Eligibility Criteria
Inclusion Criteria: * Between age 18-30 * Current or former soccer player * At least 5 years of soccer heading experience * Have internet access * Willing to commit to avoid any sport activity that purposefully uses one's head to maneuver during the study period (American football, ice-hockey, rugby, wrestling, and soccer heading). Exclusion Criteria: * Any head or neck injury within 6 months before the study * Implanted metal/magnetic devices (e.g., orthodontic braces * Diagnosed autonomic or cardiovascular diseases (e.g., hypertension) * Consuming oily fish (2 servings or more/month: salmon, bluefin, swordfish, anchovies) * Allergy to fish or shellfish * Consuming omega-3 FA supplements including plant-based (e.g., flaxseed) in the past 3 months. * Pregnancy