One clinical study looking at essential oils for treating children with eczema found that massage with and without essential oils helped improve dry, scaly skin lesions. Children with this scaly, itchy skin problem seem to have less redness, scaling, and other symptoms if they had massage between flares.
Serial numbers on firearms in US were made mandatory by the Gun Control Act of 1968.
Beginning in 1981, all vehicle manufacturers had to conform to the new 17 digit VIN format and the year would no longer appear on the bike tag. The 10th digit of each vehicle identification number would now represent the model year. Some motorcycle manufacturers began using the new system in 1979.