Question about the infrared light

This sounds like a great way to warm up, etc. but isn’t exposure to IR light for long periods harmful? Thanks.

Why do I find searching so easy and the rest of you find it so difficult to do?

Here are just a few of over 300 threads with “infrared” in them:

Using Light to get Heavy - INFRARED
Infrared (IR) Heat
Infra red lamp definatley the best way to warm up
Just bought my infra red light.
How bad is the infrared lamp really for your sperm?
Clamping with IR light, skin disaster!
The best PE warmup is infrared!!!
What is the deal with the infared lights
Are there any risks in using an infrared lamp?