Alzheimer's less preventable than previously thought
A Cambridge University study says Alzheimer’s may be preventable in about one-third of patients. That’s a drop from previous estimates that as many as 50 per cent of Alzheimer’s cases could be prevented by lifestyle behavior. The change in the estimate was made because an earlier study treated risk factors separately, which caused researchers to overestimate the number of preventable cases.
So, what can people do to reduce their chances of developing Alzheimer’s? Researchers believe people can lower their risk by making certain lifestyle changes, such as not smoking, following a healthy diet and exercising more frequently.
The UK researchers analyzed previous studies and seven lifestyle aspects related to Alzheimer’s: diabetes, hypertension, obesity, physical activity levels, smoking, depression and lack of education. They found that worldwide the highest Alzheimer’s risk factor is poor education, but that in the U.S. and Europe, it’s lack of physical activity. They estimated that a reduction in each of the seven risk factors by 10 percent could lower the Alzheimer’s rate around the world by 8.5 percent. That would mean that as many as 9 millon fewer people would develop the debilitating illness.
There remains no cure for Alzheimer’s.
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Sourced from: medicalnewstoday.com, New analysis says Alzheimer’s preventable in a third, not half of cases
Published On: July 15, 2014
Stressed people burn fewer calories
It’s a good idea to learn how to manage stress without reaching for comfort food. A study published in Biological Psychiatry says stress slows down the metabolism, causing people to burn fewer calories for as long as a day after the stressful incident. As a result, people with stress who eat fatty or unhealthy foods may gain more weight than usual.
Researchers from Ohio State University analyzed 58 women ages 31 to 70. Some experienced a stressful event the previous day. The participants ate a 930-calorie meal with 60g of fat—the equivalent to a burger and fries from fast food restaurants. Researchers then monitored the participants’ metabolic rate, blood sugar, triglycerides, insulin level and cortisol level for seven hours after eating.
Women who were stressed burned 104 fewer calories than women who were not stressed. Stressed women also stored more fat because they had higher insulin levels and lower fat-burning rates. To put this in perspective, one researcher pointed out that adding 104 calories per day could result in gaining 11 extra pounds in a year. Women who were both depressed and stressed encountered higher triglyceride levels after eating, compared to women who were not depressed. This may provide insight into the depression-heart problem association.
It was also noted these results are a bit exaggerated since not everyone eats fast food every time they’re stressed.
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Sourced from: livescience.com, Stress Eaters Beware: You May Burn Fewer Calories
Published On: July 15, 2014