Nearing her 70th birthday, Oprah looks downright incredible.

I have been blamed and shamed, and I blamed and shamed myself."

I didn’t feel angry.

Oprah Winfrey

Stewart Cook / Contributor / Getty Images

I swallowed the shame.

I accepted that it was my fault."

She shared withPEOPLEthe lifestyle changes she’s madeincluding exercising regularlyto look healthy and fit.

Oprah

Phillip Faraone / Stringer / Getty Images

The star also noted she includes a weight-loss medication in her routine.

5 Best Morning Workouts To Speed Up Weight Loss

Hiking is her go-to exercise.

After getting knee surgery, the celeb explained she began hiking.

In addition to exercise, she made some tweaks to her diet.

I now no longer feel that way."

Oprah also revealed toPEOPLEthat her doctor prescribed her a weight-loss medication, which she uses as a maintenance tool.

“I now use it as I feel I need it, as a tool to manage not yo-yoing.

“It’s everything,” she shared.

“I know everybody thought I was on it, but I worked so damn hard.

However, she pointed out, “It’s not about the number …

It was a second shot for me to live a more vital and vibrant life.”