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Friday, August 2, 2013
Summer Clothes Haul
Run off Your Cancer Risk
Hitting the trails could pay dividends: Runners are two-thirds less likely to develop kidney cancer, according to a new study from the University of California at Berkeley.
Researchers analyzed more than 90,000 runners and walkers through national surveys for 5 to 7 years and found the most active group—runners who logged at least 15 miles a week—cut their risk for developing kidney cancer by 76 percent. Even 10 miles a week was enough to slash cancer risk by 61 percent, compared to inactive people.
It makes sense: “Runners, as a group, typically have healthier habits and diet,” says Larry I. Lipshultz, M.D., a professor of urology at Baylor College of Medicine. “This healthy lifestyle that is often a by-product of being active helps lower your risk for all diseases, including cancer.”
Don’t run? Don’t worry. To gauge activity level, the researchers didn’t actually go by miles logged, but instead used a measure called METs, which gives activities a value in relation to how much energy you expend doing something versus sitting still. So whether you bike, row, or swim, moving for at least 8 hours a week can cut your risk of kidney cancer by over half, the study says.
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Can Your Diet Derail Your Relationship?
Does healthy eating lead to cheating? Giving up your favorite foods might make you more likely to stray from your partner, according to recent Monmouth University research.
In the strange study, people in committed relationships were more inclined to accept a date offer if they had to eat radishes while eyeing cookies, compared to participants who did the opposite.
It’s a huge stretch to say that your diet could make you an adulterer, but the study authors’ explanation is interesting: When self-regulation stores are depleted (by something like a plate of cookies staring you in the face), you’re more likely to give in to temptation—in any part of your life, explains lead researcher Natalie Ciarocco, Ph.D.
There’s a way to fight off the effect, though. The more you do something, the more it becomes ritual (and the less self-regulation you need). So to develop new habits, focus on one specific goal, like limiting sweets. Research shows that adding more objectives—nixing sweet snacks and developing a new gym routine at the same time—is likely to sabotage your success by making each goal feel less important, according to a new Dutch study.
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The Bad Kind of Happiness
All happiness isn’t created equal. Some forms of joy can fire up genes linked to chronic stress and inflammation, suggests new research from the University of North Carolina.
The study found that hedonic happiness—physical pleasures like a good meal—causes your body to turn on DNA associated with things like heart disease and arthritis. But happiness that comes from a selfless place, like helping a buddy move, has the opposite effect and shuts down those genes.
Hedonic pleasures are like empty calories, says study author Barbara L. Fredrickson, Ph.D. Alone, they might make you feel good, but the lack of greater purpose puts your body into threat mode, activating genes linked with stress, she explains.
Does that mean every time you enjoy something physical—like sex or a great burger—you’re one step closer to your doom? Thankfully, no.
“Most people experience both forms of happiness together,” Fredrickson says. In other words, if you’re out enjoying a brew with the guys, you’ll experience the physical pleasure of the beer, but also the sense of community from being with your friends. Ditto sex, where the raw thrill comes coupled with connectedness.
If you want to supercharge your good happiness levels, volunteer with friends—it reduces stress levels in 78 percent of people who do it, according to recent research by United Health Group.
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Your Lunch Break Done Right
Is breaking bad? In a new German study, people who stepped away for an hour lunch with a friend performed worse on cognitive tests than those who ate a 20-minute meal alone at their desks, according to new German research.
The results don’t mean you should be a permanent lunchtime loner, since office isolation can seriously affect your health. (A 2012 study found people lacking friends at work were 2.4 times more likely to die in the next 20 years than their more-social counterparts.) Researchers aren’t quite sure what accounted for the difference, but how long you eat (an hour vs. 20 minutes) might have a bigger effect on a postlunch brain slump than who you eat with.
So what is the perfect lunch break? Follow these three steps for a lunch that will fill you up, keep you alert, and get you through to dinner.
- Take it before 3 p.m. Late lunches can stymie weight loss, finds recent Spanish research.
- Get outside. Eating al fresco can prep you for tough tasks better than staying holed up in the office, according to a study at the University of Sussex. Plus, sunlight boosts alertness.
- Cut down on carbs and avoid large meals. Both make you sleepy, suggests research in Clinics in Sports Medicine.
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How Your Friends Protect Your Bottom Line
Feeling out of the loop? Watch your wallet. In a new Chinese study, people who felt lonely or isolated were 87 percent more likely to make a risky financial decision than those with social support.
People obtain essential resources like food, shelter, and companionship either from their personal relationships or from financial assets, says study author Rod Duclos, Ph.D. And so when you lack one of those, you tend to lunge for the other to fill the gaps in your life, he adds.
Even temporary feelings of social isolation—say, if one of your buddies blows you off this weekend—can trigger stupid monetary decisions, Duclos says. To protect your bottom line, spend a few minutes online looking through your own Facebook pics if you’re solo. So long as you avoid your friends’ vacation shots (which can trigger negative emotions like jealousy), you’ll actually feel happier and more connected, studies suggest.
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The Healthiest Vacation You Can Take
Can’t get any shuteye? Pitch a tent. Camping in the wilderness could help reset your sleep cycle, reports new research from the University of Colorado at Boulder.
When a group of people roughed it outdoors for a week, their internal clocks were set perfectly to the natural light-dark cycle at the end of the trip. The campers banned flashlights and iPads, and were only exposed to light from the sun and campfires. That made people’s levels of the sleep hormone melatonin rise at an earlier time, so the campers started feeling sleepy around sunset and woke up shortly after sunrise, says study author Kenneth Wright, Ph.D.
If you’re a night owl by habit, you could be at risk for obesity and mood problems, Wright says. But being exposed to more natural sunlight and less electrical light can help you achieve earlier bed and wake times.
Unfortunately, not many guys can call off work to go camping for a week. In that case, re-tune your circadian clock by upping your sunlight action during the day—go for a morning walk, open your shades, and take outdoor work breaks. And don’t forget to turn the lights down and dim computer screens at night, especially an hour before bedtime, Wright says. (The bright lights snuff melatonin production.)
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