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Seasonal allergies seem worse this year. Experts explain why it may feel that way
CBC via Yahoo News· 17 hours agoIt's that time of year again — seasonal allergies are back.With allergy season arriving earlier than...
How do the chemicals in sunscreen protect our skin from damage?
The Conversation via Yahoo News· 14 hours agoFor a sunscreen to make a claim as having UVA and UVB protection and be labeled “Broad Spectrum,” it...