Light therapy lamps are often held up as the answer to seasonal affective disorder (SAD). But how do they work? And what do you need to know before you invest in one? We asked an expert to explain ...

Lumie Vitamin L is a slender and stylish SAD lamp that you can take with you anywhere. Here's our review When you purchase through links on our site, we may earn an affiliate commission.

Welcome to T3's Lumie Halo review. If you suffer from SAD (Seasonal Affective Disorder) or general winter blues during the darker days and longer nights, light therapy could help. By mimicking ...