With good safety protection, there should be no big harm. There is no such nonsense as infertility, old age and illness on the internet. So far, none of the welders I know is sterile. On the contrary, there are many children in groups. Besides, what kind of job won't cause minor injuries and ailments when you are old?

The advantage of a welder is that as long as you have a good skill, you don't have to worry about eating or working. If you have a skill and are willing to do it, it should be no problem to get a 10- 15k.

Electric welding is a technical job, and it is easy to get started. Take a covered electrode and poke it twice. It takes two days! Use an argon arc welding gun to weld a handicraft, fill a thing, and even weld security window, canopy and railing. Half a month fast, one or two months slow. But being a good welder is not that simple. You should not only have hands-on ability, but also know theoretical knowledge, not only welding, but also learning argon arc welding, secondary welding, submerged arc welding and so on. With this skill in hand, I will travel all over the world!