Optoma has unveiled the CinemaX P2, which is the successor to the CinemaX P1 and is being pegged as the company’s new flagship home cinema projector. The $3,300 4K projector can project up to 120 ...

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Vitamin D has two forms: vitamin D2 (ergocalciferol) derived from plant-based sources and vitamin D3 (cholecalciferol) found in some fish and meat and produced by your body when exposed to sunlight.