0:53

Dr. Rhonda Patrick discusses how specific nutrients prevent disease. Seventy percent of Americans lack sufficient vitamin D, linked to osteoporosis and cancer. An omega-3 index above 8% correlates with five extra years of life, and sulforaphane from cruciferous vegetables helps the body expel air-pollution chemicals.

Questions this video answers

About 30 nanograms per milliliter.

70%.

An omega‑3 index of 8% or more (compared to about 4%).

About 40 micromoles of sulforaphane—results in ~60% increased excretion of some air‑pollution chemicals after 24 hours.

30%.

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