Lindsay Lohan Lindsay Lohan

Lindsay Lohan admits she's been "irresponsible" in the past, but she says her wild days are over because she wants to get back to work.

"I want my career back. I know that I'm a damn good actress, and it's been my passion since I was a child, and I know that when I care about something, I put 100 percent and more into it," she says in the October issue of Vanity Fair. "I want the respect that I had when I was doing great movies. And if that takes not going out to a club at night, then so be it. It's not fun anyway. I don't care. It's the same thing every time."

Check out photos of Lohan through the years

In the in-depth interview — which took place one week before she started her 13-day jail sentence and 23-day rehab stint stemming from a 2007 DUI charge — Lohan also denied speculation that she was abusing alcohol and drugs. Her real issue, she says, is dealing with her father, Michael Lohan."If I were the alcoholic everyone says I am, then putting a [SCRAM] bracelet on would have ended me up in detox, in the emergency room, because I would have had to come down from all the things that people say I'm taking and my father says I'm taking — so that says something, because I was fine," she says. "I think my biggest focus for myself is learning how to continue to get through the trauma that my father has caused in my life."

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Contrary to what her father has claimed, Lohan says she has never abused prescription drugs. She does, however, admit to "dabbling in certain things." "I was young and curious and thought it was like, O.K., 'cause other people were doing it and other people put it in front of me," she says. "And I see what happened in my life because of it."The 24-year-old also attributes her troubles to hanging out with the wrong crowd and a lack of structure in her life when she moved to Los Angeles from her native Long Island by herself in her late teens."A lot of people were pulling from me, taking from me and not giving. I had a lot of people that were there for me for, you know, the party," she says. "I was 18, 19 — with a ton of money and no one really here to tell me that I couldn't do certain things. ... And I see where that's gotten me now, and I don't like it."

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Lohan, who must undergo psychotherapy and random drug testing following her early release from jail and rehab, says she has learned from her mistakes."I know that in my past I was young and irresponsible — but that's what growing up is," she says.