9 Months That Made You

Epigenetics: How Does the Environment Affect Genes?

Clip: Season 1 | 2m 16s Video has closed captioning.

Lal and Freddie have similar lifestyles, but their mothers had different diets. That may have programmed their metabolisms long before they were born.

Aired: 06/29/16

Rating: TV-PG

Problems Playing Video? | Closed Captioning