After that, avoid midday sun, have children wear protective clothing and hats; seek shade; use sunglasses that block UVA and UVB; and use sunscreen.

之后，远离中午的阳光，让孩子穿防护衣和戴帽子，找荫凉地避暑，使用太阳镜阻止紫外线并且涂抹防晒霜。

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Researchers now believe that full sunscreen blockage is not necessarily good in sun creams because they block certain wavelengths of light needed to trigger the body's natural defences.

研究人员们现在认为全面防护型的防晒霜未必是好的防晒产品，因为它们阻挡了某些能够激发人体自动防御功能的光波。

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These include wearing expired sunscreen, relying on clothing to block the sun and taking certain medications.

这些源头包括使用过多的遮光剂，靠衣物遮挡太阳和服用某些药物。

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Many kids aren't getting enough from their diet or the sun, especially since sunscreen can block vitamin D formation as well as blocking harmful rays, so take 'em outside!

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