It's worth doing, in itself, I just don't think you should necessarily do it for this
reason, on its own.
But I am a massive fan of men lifting weights and getting stronger, a massive fan of women doing it too (I think everyone should do it, because its pretty much all benefits).
You can work around these health issues. And honestly, things like spine issues can actually get solved with progressive weight training (my neck problem seems to have been resolved from this.. I literally messed around for 2 years doing isolation exercises, 2 months ago I started bench pressing, with the bar only - 20kg, now up to 72.5 neck problem resolved.). I would advise you to find several good reasons to do it though, but ideally you, like me, start training and find the training itself self reinforcing.
In fairness, and this is true, the more masculine you look, as a man, the more powerful you look, the more respect you get. Broad shoulders, narrow waist, facial hair, masculinity, people become much more respectful (especially younger guys).
This being said, I don't think weight training would necessarily cure this problem, but it might have some knock on effects. Personally, I feel so much better in myself when I feel strong. You just feel healthy, strong, physically capable. You look more attractive, and am pretty sure it results in a more favourable hormonal profile too. Your joints strengthen, you get increased bone density, honestly, strength training is the ****. Srs. Do it. But do it for reasons other than this specific fear, because, as you aren't getting attacked, as previously mentioned, it probably wont help you and you will stop and lose the mass of other benefits.
Re sensitive stomach, its no problem, and this isn't about excuses, not going to tell you you need to do it, if you don't want to, don't, if you do you can find a way. This is the shortcut way to add 15-20lbs of muscle in the first year.
1. Buy the starting strength book. Read it all.
2. Follow the program exactly
3. Make sure you get enough protein and eat enough food.
4. Log your workouts and weights and reps (I use the strong app on android). You have to log sessions.
5. Commit to this for 2 months.
If you do this, and you love it (you might), all good. If you don't, meh, all good, nothing lost really
. The program has you starting on very low weights, maybe just the bar, this is necessary for it to work, so don't jump ahead. Your body will gradually adjust to the load, you will perfect the form and its highly probable your back issues will clear up, and your appetite will naturally increase.
I am convinced that progressive resistance training is the closest thing to a health magic wand there is. Do it regardless of fear.
Almost everyone reading this should also do it. Lol.