Light is not just something that helps you see the room. It is a signal to the brain, the skin, the eyes, the sleep system, and the body clock. That is why the question of incandescent vs LED light is not only about watts, price, or brightness. It is also about timing, spectrum, intensity, and how your body responds.

Age spots, those flat, brown, gray, or black spots that appear on sun-exposed areas like the face, hands, and shoulders, are a common signs.