今天我想根据现有的研究，谈一下甜菜根对健康的益处，尤其是血压、运动成绩，认知功能，等等。
https://pubmed.ncbi.nlm.nih.gov/25294299/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6316347/
https://pubmed.ncbi.nlm.nih.gov/28007968/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5295087/
https://www.researchgate.net/publication/260944042_Betalain-rich_red_beet_concentrate_improves_reduced_knee_discomfort_and_joint_function_A_double_blind_placebo-controlled_pilot_clinical_study
https://pubmed.ncbi.nlm.nih.gov/27278926/
https://pubmed.ncbi.nlm.nih.gov/23450834/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5861951/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8912345/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6515411/
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