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toxic sunscreen

Prescriptions for Summer

Sunshine and summer days are a welcome seasonal phenomenon in the aftermath of short days,  cloudy skies,  and a shortfall of health-giving solar radiation. The summer sunshine that warms the earth consists of longer wavelengths of ultraviolet A (UVA) at 315 – 400nm, shorter wavelengths ultraviolet B (UVB) at 280-315nm, …