As a permissive user you are more likely than not covered under your friend's coverage. Have your friend confirm with their coverage that...

Do I have a legitimate case. and who can take it on for/with me? trouble getting information/proof.

Can always check billing records to determine if x-rays were taken. If damages warrant then local malpractice counsel should be consulted to review...

Should I take legal action ?

The clot in the leg was probably the source of the embolism that caused the stroke. What damages did the leg clot cause? If it caused anything...

If a boss at work slanders me and causes problems for me at work and home can I take legal action?

Speak to employment counsel first and then local personal injury counsel to protect your interests.

How exactly does subrogation payment work so my medical insurance company , who paid for my dr visits, how do they get paid back

Subrogation generally applies when your insurance company that has paid you gets reimbursed from at fault party or their insurer.

Can a lawyer contact me regarding the matter below?

Use Avvo find a lawyer feature as Avvo rules preclude us from contacting you.

They can go after her assets but the house unless owned solely by her usually can't be taken from you although her share can have a lien placed...

Do I have any legal grounds for slander/character defamation/bullying in the workplace?

If they have assets that make it worthwhile and the statements themselves are defamatory you should seek out local personal injury counsel.

I Got The Ticket In An Accident and was asked to appear in court.

You need to get speeding/traffic attorney to help fight the tickets and you need to report the accident to your carrier to prevent them from having...

My friend got into an accident with my car. I was in the passenger seat, and he was driving.

Most States allow for coverage for permissive users of your vehicle.