folic acid

In the U.K., a lack of folic acid in foods is a problem. Nearly 2,000 babies have been born with serious side effects such as spina bifida since 1998 due to the government’s failure to add the B vitamin to flour, according to researchers.
About 150 yearly birth defects could have been avoided had the government added it to flour like 78 other countries, including the United States. [1]

DDT, the pesticide once used in WWII was banned in the US in 1972, but it remains in the soil for decades. The good news is that a simple vitamin can reduce its negative effects.
DDT was considered a ‘miracle’ when it was first created.  It was the first important synthetic pesticide from chlorinated hydrocarbon (organochlorine) discovered by a Swiss chemist named Paul Muller in 1939.