Things that might not have shown up on an X-Ray at the time of injury (like falling playing a sport, or tripping when coming down the stairs) often cause severe problems later in life. It’s pretty common to have these kinds of incidents all throughout your life.
Exercise is great, but it’s not going to stop injuries or natural degradation.
Fucked up back is(I would guess) mostly life related or lack of exercise, not a natural thing caused by aging.
Spinal discs naturally degenerate with age.
Things that might not have shown up on an X-Ray at the time of injury (like falling playing a sport, or tripping when coming down the stairs) often cause severe problems later in life. It’s pretty common to have these kinds of incidents all throughout your life.
Exercise is great, but it’s not going to stop injuries or natural degradation.
No, but good strong support muscles will protect the injury from happening during your life and will also help a lot after even if you have an injury.