Intake of dietary prenatal folate and other methyl donors in first trimester of pregnancy affects asthma risk in children at age 7

Maternal intake of dietary methyl donors during the first trimester of pregnancy modulates the risk of developing childhood asthma at age 7, according to a new study. Methyl donors are nutrients involved in a biochemical process called methylation, in which chemicals are linked to proteins, DNA, or other molecules in the body.