Magnetic fields are not the same and careful consideration is required when applying magnetic fields to humans or other biology. Everything in existence is electrical and magnetic or electromagnetic fields(EMFs) can have a profound affect on the atoms and molecules they interact with.
The work that was done at this link is important because pharmaceuticals are toxic to your body and the majority of pharmaceuticals treat symptoms. Using a responsibly designed magnetic field for a pregnant mom for nausea and vomiting reduces the toxic load in the mom as well as the developing baby in the womb.
Doctor Uses Magnetic Therapy for Nausea and Vomiting