title: Better way to apply sun screen.  A Harvard expert says most people don't use enough.
mesh_terms: D006801:Humans; D008545:Melanoma / Q000517:prevention & control; D013471:Sunburn / Q000517:prevention & control; D013473:Sunscreening Agents / Q000008:administration & dosage*
chemical_list: D013473:Sunscreening Agents