Light at night is bad for your health, and exposure to blue light emitted by electronics and energy-efficient lightbulbs may be especially so.
Until the advent of artificial lighting, the sun was the major source of lighting, and people spent their evenings in (relative) darkness. Now, in much of the world, evenings are illuminated, and we take our easy access to all those lumens pretty much for granted.
We can mitigate the effects of any chemicals and neutralized all types of parasites without using highly toxic drugs and expensive procedures, but only with a very simple and complete protocol that defeats all known and unknown diseases for good, without any long-term side-effects. Find more about it here.