He showed how paints containing powdered metal can be splashed with acid to create metal oxides that give the effect of natural rusting, and how to make fake tree bark from a mold ingeniously colored using carpet scrapings.

CNN: , for

Importantly, the effect was only apparent if mothers took the folic acid supplements during the six weeks before and the six weeks after conception.

FORBES: More Prenatal Vitamins Could Mean Less Autism, Study Says

However, exercise had a much greater effect on animals that were also given the supplement amino acid L-argenine, and antioxidant vitamins C and E.

BBC: Exercise is good for health

"What calcium appears to do is help to bind both fatty acid and bile acid within the colon to prevent them from interacting with the colon lining and therefore reducing the irritant effect of these substances upon the colon, " said lead researcher Dr. Peter Holt of St.

CNN: Study says calcium may cut colon cancer risk

The health care provider will also be trying to distinguish common cramping from muscle diseases that can mimic it and be an uncommon side effect of commonly prescribed drugs used to lower cholesterol (such as cholestyramine) or decrease stomach acid (cimetidine or ranitidine).

CNN: What causes leg cramps?