[NevadaWolf]

Help your Mom by calmly explaining how you are working on reducing the risks (wearing proper gear, never riding impaired, getting training, etc). Have her join you at the MSF class so she can see what they teach and how it helps you be a better rider. She rode, so she is focusing on the risks, but show her you acknowledge those risks by preparing for and mitigating them as much as you can.

Having emergency contacts on you is a good idea too. I wear a dogtag and an anklet with two phone numbers and a access code to a service with my medical history. Plus I am a member of a roadside service plan and two different emergency air transport plans. Planning for what happens after an accident has helped my Dad feel better about me riding far from home where I'm beyond his ability to help.