Here's a video examining one of the most polarizing herbs in existence: cilantro. Host Hank Green reveals, "For 4 to 14 percent of people, depending on their ancestry, it can be a total meal ruiner, making an entire soup taste like soap."
So how can one herb taste fresh to some people and like a shower time necessity to others? The answer, according to scientists, is genetics. Scientists studied twins and how they react to cilantro and the genomes of 30,000 people and found that it all comes down to their sense of smell. Go, watch for a detailed explanation.