Red light

 Red light stimulation of mitochondria reduces blood glucose levels in healthy people.

Jemur je = gula dlm darah menurun it benar.

Cahaya merah free dgn matahari, lebih2 lagi matahari terbit dan terbenam.

I only understand this bila someone asked kenapa sun is red at sunrise/set. Before that, i ingat sun only emits IR at these times, so other spectrum takde but also confused cos how can that be when the sun shines 24/7/365 & different parts of the world receives the same light\

Sunset appear more red than sunrise due to the higher density of air caused by water convection throughout the day. Rayleigh scattering explains why sunrise and sunset appear more red than noon, while the Tyndall Effect explains why sunset appear more red than sunrise.