Can't seem to figure out why you can't lose those last few pounds? It may not be the hours you're not spending at the gym or those random fast food runs that are sabotaging your diet, but rather the little things we may not even think about. Women's Health found common culprits for what may actually be keeping you from your goal weight. Here are more highlights:

1. You're too routine. Nothing is wrong with a schedule, but your body thrives on variety. Especially when it comes to working out and eating. If you eat the same thing and do the same workout every day, you're not doing as much to help your goal than if you were changing it up from time to time.

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If you've ever had to deal with the annoyance of a yeast infection, then you might be interested to know a vaccine to prevent them is in the works. Early lab tests of the vaccine performed on mice have been successful.

Female mice were given one of several variations of the vaccine, and then were exposed to a lethal dose of Candida albicans, the fungus responsible for yeast infections. Another group of female mice were given a placebo vaccine to create a control group. The mice who received the yeast infection vaccine had a 40 to 100 percent survival rate, while the control group sadly all died. I'm not sure why they had to give them a "lethal dose" of this fungus (since I wouldn't say a typical yeast infection is deadly — just horribly uncomfortable), but it seems that the vaccine has worked.

Tell me ladies, once this becomes safe for humans, would you get a vaccine to prevent yeast infections?

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Just over a week ago, all three major networks simultaneously broadcast Stand Up to Cancer. The organization has raised $100 million since its inception and the funds will go directly to funding research programs to fight this deadly disease. Documentary film maker Errol Morris made this three minute video that captures surprising and surprisingly moving moments about how cancer has affected people's lives.

Maybe Lance Armstrong's return to bike racing will help raise even more funds for cancer research, but you can still donate to the cause at the Stand Up to Cancer website. Having friends and family that have succumbed to this disease, I can't watch this clip without crying. How about you? If you feel up to it, please share how cancer has affected your life.