Bone & Muscle problems

I have a lower back problem . On the left side of my lumbar , my doctor says it's degenerate changes , but I'm only 21 . I work two jobs , is this going to make me crippled by age 30 ? Can I continue living my life ? How will this affect me .

I slipped while stripping a machine and got a 1.5mm stainless steel framework been forced between my ribs and pain is unbearable,I am battling to sleep and work

I have started working out for the past one month and ever since two weeks into my workout, I developed this knee pain where I can't climb stairs or even find it difficult to sit on a chair due to the pain in the knees.

I have bowed legs and it caused from the childhood by sitting like W letter,,, so i have ache from my knees, joints, lower back ache & neck especially when I'm doing the workouts & etc.. ,,, and my legs have curved shape so I really needed to be like normal persons so ,,,, is there have any treatments or surgery to fix them , please?!

My finger has been aching for more than a month now, with a swelling, but no discoloration. At firs I suspected I sprained it and I put Trans-act plasters on, but this did not help and the pain has been getting progressively worse (it feels as if the pain could be in the bone). Please advise what can cause this and if I should have it X-Rayed.

I have been suffering from acute pain the right side of my bodynamic shoulder and back and hips due to cache in that area. Had been on painkillers after consulting the doc and have taken injections as advised but still 2 much relief.there is no bone injury or fracture or anything of total sort. However the pain is consistent.

Elbow problem from last two month and my is not straighting. I was playing TT then pain was starting and from last 45 days . I am not playing TT.

I have pain or seems like something is getting stuck below my incision site especially when I walk or flex after complete extension... Is this normal? Is my graft fine? My knee is not sliding or giving away but still there is pain while walking

I'm diagnosed with PF Chondromalacia. Does it heal?  If yes, How long does it take? And what are the precautions that I need to take?

Does drinking beer affects outcomes of acl surgery? I doing my physiptherapy everyday! And should i start gym workouts ?