Hollywood's Lindsay Lohan says her father Michael first introduced her to cocaine and she hit rock bottom because of him .

"I was only aware of cocaine because of my dad," Lohan said in an interview in the London Sun .

"I was terrified of it. But I tried it because I was stubborn, stupid, and wanted to see what it was like."

Lohan, 23, says she hit "rock bottom" in 2007 when her father began knocking her in the press.

"I abused substances too much and it wasn't the answer to my problems. People need to know that," she admits. "I tried to mask my problems with alcohol, cocaine and mind-altering substances."

"It's not something I ever want to do again," she says about the drug. "It made me feel like s---. It became uninteresting to me. I'm hyper anyway and I have that kind of personality so I don't need something like that."

She says she feared for her life after an overdose of the sleeping drug Ambien in a bathroom after which she fell asleep and woke up beside an overflowing bath

"The bath had overflowed. When I woke up, I was so scared. I called my therapist and said, 'Can I just go somewhere for a month?'" she says. "'I'm around bad people and I need to take care of myself.' I was terrified, so I put myself in."

"I learnt from my mistakes and I'm now healthy and happier. I never want to be close to losing everything I worked for and aspired to have my whole life," she says.

"I've made some dreadful mistakes but learned from them - that has probably saved my life.”