(Question) I've been diagnosed with osteopenia! How should I manage it?

My mother had hip pain due to spinal stenosis, so she visited an orthopedic surgeon. He recommended additional testing for osteoporosis and conducted a bone density test. A normal bone density is 0, and -2.5 or lower is considered osteoporosis. My mom has osteopenia because she has -2.3 They say that. I'm curious about what kind of management or treatment I should receive going forward. I'm also curious about the experiences of people who have actually been diagnosed with osteopenia.