Pathological liar' is absolutely the toughest individual to deal with as a psychiatrist. Because you can't take anything they say at face value. And you can't, you know, fill in their personality. You don't know what's real and what's not.

One of the things you learn in rehab is that you're responsible for your own actions.

To my knowledge, there have been no studies done on the effects of antidepressants and altitude. But it is hugely important to find out if there are side effects. We should also find out what are the effects on fine motor skills and reaction time. These are all important questions that should be assessed.

Typically, when you have a depressed individual, they feel hopeless. They feel miserable. Their mind is racing, their heart is pounding. They feel anxious. They feel exhausted yet they can't sleep.

You have to understand that PTSD has to be an event that you experience, a very traumatic event. And actually, there is evidence that brain chemistry changes during this event in certain individuals where it's imprinted indelibly forever and there's an emotion associated with this which triggers the condition.

Universities used to prepare young adults for the real world. I dare say the graduates today go in without a clue and graduate without a clue. It's time to acknowledge the college degree is not worth what it was in the past. Times are changing, and so is the way we prepare our youth to survive in a competitive world.

You can run, run, run away from a lot of things in life, but you can't run away from yourself. And the key to happiness is to understand and accept who you are.