title: Sunscreens: are they safe and effective?
mesh_terms: D000328:Adult; D002648:Child; D006801:Humans; D007642:Keratosis / Q000209:etiology; D011230:Precancerous Conditions / Q000209:etiology; D011835:Radiation Protection / Q000379:methods; D012867:Skin / Q000378:metabolism / Q000528:radiation effects; D013471:Sunburn / Q000517:prevention & control; D013472:Sunlight / Q000009:adverse effects; D013473:Sunscreening Agents / Q000494:pharmacology / Q000592:standards* / Q000627:therapeutic use; D014466:Ultraviolet Rays; D014807:Vitamin D / Q000096:biosynthesis
chemical_list: D013473:Sunscreening Agents; D014807:Vitamin D