The researchers stressed that sunlight is not the only source of vitamin D, which can be obtained from multivitamins, fatty fish and fortified foods such as milk, certain cereals and fruit juices.

• 研究员们强调阳光并不是维生素D的唯一来源，也可从多维生素剂，脂肪食品和强化食品如牛奶，某些谷类食品和果汁中获得。