Dirty Dancing star, Patrick Swayze, was diagnosed with pancreatic cancer last year. Though he's outlived his early bleak prognosis, Swayze refuses to give up. Patrick realizes his days are running out but hopes he has at least two years left and is hoping that doctors will find a cure in that time frame. Although admittedly scared, he's living "moment to moment," and Swayze continues the battle saying, "So far, I've got potential for a lot of quality of life."

Patrick hasn't spoken much about his condition since being diagnosed; this changes tonight. This evening on 20/20, he answers questions and talks candidly about his experience in an interview with Barbara Walters, in a special called Patrick Swayze: The Truth.

To see a clip of the interview read more

Stepping on the heels of yesterday's news that Gwyneth Paltrow is, yet again, doing a New Year's detox, there's a report claiming that products promoted as detoxifying agents lack meaningful evidence. The Oxford English Dictionary defines detox as the removal of toxic substances or qualities, yet none of the 15 products tested by members of the Voice of Young Science network met the requirements of that definition.

The group investigated various products with detox labels, like bottled water, shampoo, detox patches, and vitamins, and challenged the detox claims made by the companies behind these products. According to BBC News, the scientists said, "In the majority of cases, producers and retailers were forced to admit that they had simply renamed processes like cleaning or brushing, as detox."

The researchers identified detox products as a waste of money and said, "Anyone worried about the aftereffects of Christmas overindulgence would get the same benefits from eating healthily and getting plenty of sleep." My thoughts, exactly.

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There are so many reasons to exercise, from deeper sleep to boosting your immune system, but I have a few more work-related reasons to add the list. Exercising before or during your workday will improve your productivity. Adding workouts to your workweek doesn't just help your boss; exercising on a workday helps with stress management and can make you happier. If you can't fit in a workout before heading to the office, schedule one during your lunch hour. Instead of a coffee break, take an activity break. Who knows? You might just start to whistle while you work.

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DrSugar is in the house and answering your questions.

Hi DrSugar,
Last year I was busy training for my first triathlon, a half marathon, and cycling a lot for fun. Toward the end of my training, I would become extremely fatigued and often just pass out after work randomly a few days here and there. I had plenty of rest days, ate well balanced meals, and took vitamin supplements. I was tested for anemia but my blood iron levels were fine.

I'm in my off season and not training nearly as hard, but the fatigue is back. I was wondering, might this fatigue have something to do with my period? I am in between cycles, ovulating I suspect, but would that cause this type of fatigue?
— Why So Tired

To see what the doc has to say on this matter, read more

Mixing up your fitness routine keeps boredom at bay, and I have a total body workout that is all about variety. This at-home workout will have you sweating in no time and it's always challenging. All you need to get started is a deck of cards, so dig yours out of the junk drawer and get your move on.

The workout involves circuits of push-ups, sit-ups, and squat jumps, and the deck of cards keeps you guessing at the number of repetitions. Here's the gist: Flip over the first card. Let's say it's a 10. Your first circuit will be 10 push-ups, 10 sit-ups, and 10 squat jumps. Flip over the next card, and repeat the circuit but change the reps according to the number on the card.

To find out ways to make this workout more interesting and challenging, read more