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Diet-related information
Could obesity change the
brain?
NPR's
Health Blog: Shots (Dec.28, 2011) by Nancy Shute – The standard
advice for losing weight often comes up short for people who are obese. If they
switch to a healthful diet and exercise more,
they might lose a bit. But the pounds have a way of creeping back on. Now some
provocative research suggests that a part of the problem might be that obesity
could change the area of the brain that helps control appetite and body weight.
http://www.npr.org/blogs/health/2011/12/27/144331177/could-obesity-change-the-brain?ft=1&f=1128&sc=tw
Free radicals crucial to
suppressing appetite
ScienceDaily (Aug. 29, 2011) — Obesity is growing at alarming rates worldwide, and the biggest culprit is overeating. In a study of brain circuits that control hunger and satiety, Yale School of Medicine researchers have found that molecular mechanisms controlling free radicals -- molecules tied to aging and tissue damage -- are at the heart of increased appetite in diet-induced obesity.
http://www.sciencedaily.com/releases/2011/08/110828140931.htm
Does Food Act Physiologically
Like a 'Drug of Choice' for Some?
ScienceDaily (July 20, 2011) — Variety is
considered the "spice of life," but does today's unprecedented level
of dietary variety help explain skyrocketing
rates of obesity? Some researchers think it might. According to ASN Spokesperson Shelley McGuire, PhD: "We've
known for years that foods- even eating, itself- can trigger release of various
brain chemicals, some of which are also involved in what happens with drug
addiction and withdrawal. And, as can happen with substance abusers, tolerance
or "habituation" can occur, meaning that repeated use (in this case,
exposure to a food) is sometimes accompanied by a lack of response (in this
case, disinterest in the food). The results of the study by Epstein and colleagues
provides a very interesting new piece to the obesity puzzle by suggesting that
meal monotony may actually lead to reduced calorie consumption. The trick will
be balancing this concept with the importance of variety to good
nutrition." http://www.sciencedaily.com/releases/2011/07/110719114340.htm
Lost pounds lead to burst
fantasy: For many, expectations of a new life don’t match the reality
msnbc.com (April 27, 2010) by Joan Raymond – If thin equals happy, Jen Larsen should be on cloud nine. Larsen, 36, of Ogden, Utah, was the fat child. The fat teen. The fat adult. Four years ago, Larsen hit a high of 316 pounds and when diet after diet failed she opted for bariatric surgery. By all measures, the procedure was textbook perfect. The 5-foot-7-inch Larsen is now a slim 140 pounds. Life, she says, is simpler: she has more energy; her knees feel better; her back doesn’t hurt. And study after study shows she has slashed her risk for life-threatening health conditions like heart disease, cancer and diabetes. But a funny thing happened on the way to becoming a size 8: No matter how much Larsen shrank, her troubles stayed the same size. http://www.msnbc.msn.com/id/36784702/ns/health-behavior/
Don’t blame fast food for making you fat: Fat epidemic linked to chemicals run
amok
msnbc.com
(Mar. 8, 2010) – by Stephen Perrine with Heather Hurlock. It's not just about calories in versus
calories out. If that were all it took
to lose weight — eating a little less and exercising a little more — then
weight loss would be as simple as grade-school math: Subtract Y from Z and end
up with X. But if you've ever followed
a diet program and achieved less than your
desired result, you probably came away feeling frustrated, depressed, and maybe
a bit guilty. What did I do wrong?
http://www.msnbc.msn.com/id/35315651/ns/health-diet_and_nutrition/?sms_ss=email
'Spoonful of sugar' makes the worms' life span go down
ScienceDaily (Nov. 5, 2009) — If worms are any indication, all the sugar in your diet could spell much more than obesity and type 2 Diabetes. Researchers reporting in the November issue of Cell Metabolism, a Cell Press publication, say it might also be taking years off your life.
http://www.sciencedaily.com/releases/2009/11/091103121605.htm
Alzheimer's researchers find
high protein diet shrinks brain
ScienceDaily (Oct. 21, 2009) — One of the many reasons to pick a low-calorie, low-fat diet rich in vegetables, fruits, and fish is that a host of epidemiological studies have suggested that such a diet may delay the onset or slow the progression of Alzheimer's disease (AD). Now a study published in BioMed Central's open access journal Molecular Neurodegeneration tests the effects of several diets, head-to-head, for their effects on AD pathology in a mouse model of the disease. Although the researchers were focused on triggers for brain plaque formation, they also found that, unexpectedly, a high protein diet apparently led to a smaller brain.
http://www.sciencedaily.com/releases/2009/10/091020192206.htm
Do high-fat diets make us stupid and lazy? Physical and memory abilities of rats affected after 9 days
ScienceDaily (Sep. 5, 2009) — Rats fed a high-fat diet show a stark reduction in their physical endurance and a decline in their cognitive ability after just nine days, a study by Oxford University researchers has shown. The research, funded by the British Heart Foundation and published in the FASEB Journal, may have implications not only for those eating lots of high-fat foods, but also athletes looking for the optimal diet for training and patients with metabolic disorders.
http://www.sciencedaily.com/releases/2009/08/090811143548.htm
Mice can eat 'junk' and not get fat: researchers find gene that protects high-fat-diet mice from obesity
ScienceDaily (Sep. 4, 2009) — University
of Michigan researchers have identified a gene that acts as a master switch to
control obesity in mice. When the switch is turned off, even high-fat-diet mice remain thin.
http://www.sciencedaily.com/releases/2009/09/090903163719.htm
When parents try to control
every little bite: Being too
restrictive about your child’s diet can
backfire, experts say
Msnbc.com:
Health (Sept . 3, 2009) by Bridget Murray
Law — Driven by concern about childhood obesity or other food anxieties, more
nutrition-focused parents are turning into food cops, monitoring every morsel
their children eat…In fact, a recent study found that being too restrictive
about the foods children eat can cause more weight gain. Researchers from the
Center for Childhood Obesity Research at Pennsylvania State University,
University Park, found the highest weight gain among girls who considered their
parents most restrictive about eating certain foods. The study tracked 200
girls for 10 years from age 5. http://www.msnbc.msn.com/id/32480988/ns/health-kids_and_parenting/from/ET
Reduced diet thwarts aging, disease in monkeys
ScienceDaily (July 10, 2009) — The bottom-line message from a decades-long study of monkeys on a restricted diet is simple: Consuming fewer calories leads to a longer, healthier life.
http://www.sciencedaily.com/releases/2009/07/090709110836.htm
Sip ’n starve: dangerous diets in disguise: scary cleanses, detoxes and fasts are wrongly touted as healthy
MSNBC.com/Self
(July 2, 2009) by Janelle Brown — Some women in Los Angeles are forswearing dieting and embracing a new euphemism for it:
cleansing. In reality, however, lemon juice is not a meal, and taken to
extremes, cleansing is anything but healthy.
http://www.msnbc.msn.com/id/31329422/ns/health-diet_and_nutrition/
Avoiding the midlife diet crisis: Beat a slowing metabolism with some easy
nutrition fixes
MSNBC.com
(May 29, 2009) by Bonnie Taub-Dix, R.D. — While time may adorn you with new
lines on your face, a new color hair (gray) and a new waistline, the passing
decades are not to blame for all of the changes in your body. Your eating
habits, your attitude and your approach to everyday experiences also play key
roles. http://www.msnbc.msn.com/id/30966467/
Exercise not likely to rev up
your metabolism: Studies bust myth that
working out gives you a fat-burning boost
msnbc.com (May 26, 2009) by Jacqueline Stenson — Start exercising and you’ll become a round-the-clock, fat-burning machine, right? That’s long been a commonly held belief among exercisers and fitness experts alike. But a new report finds that, sadly, it’s not very likely. The notion that exercise somehow boosts the body’s ability to burn fat for as long as 24 hours after a workout has led to a misperception among the general public that diet doesn’t matter so much as long as one exercises, says Edward Melanson, an exercise physiologist and associate professor of medicine at the University of Colorado in Denver.
http://www.msnbc.msn.com/id/30826120/
Molecular link between sleep and weight gain
ScienceDaily (May 23, 2009) — There appears to be a link between sleep and weight control, with some studies indicating that sleep disruption can increase weight gain and others that diet affects sleep. Victor Uebele and colleagues, at Merck Research Laboratories, West Point, have now provided further evidence to support this association by showing that T-type calcium channels regulate body weight maintenance and sleep in mice.
http://www.sciencedaily.com/releases/2009/05/090518172444.htm
Feeding behaviors in monkeys and humans have ancient, shared roots, Bolivian Rainforest study suggests
ScienceDaily (May 20, 2009) — Behavioural ecologists working in Bolivia have found that wild spider monkeys control their diets in a similar way to humans, contrary to what has been thought up to now. Rather than trying to maximize their daily energy intake, the monkeys tightly regulate their daily protein intake, so that it stays at the same level regardless of seasonal variation in the availability of different foods. Tight regulation of daily protein intake is known to play a role in the development of obesity in humans, and the findings from this research suggest that the evolutionary origins of these eating patterns in humans may be far older than suspected. Until now it was thought humans' eating patterns originated in the Palaeolithic era (between 2.4 million and 10,000 years ago).
http://www.sciencedaily.com/releases/2009/05/090519214940.htm
Blow your diet? Blame your brain: low-fat labels and encouraging exercise can backfire
MSNBC.com (May 13, 2009) by Linda Carroll — Ever make a resolution to go out and exercise and end up grabbing a gooey chocolate cupcake instead? No matter how good our intentions are, sometimes it seems like our stomachs are out to sabotage us. Scientists are now starting to understand why this happens. http://www.msnbc.msn.com/id/30702871/
Eating for eye health
New York Times: Well (May 7, 2009) by Tara Parker-Pope
Eating a diet rich in leafy vegetables, nuts and fish and low in starchy carbohydrates appears to lower risk for age-related macular degeneration, the leading cause of severe vision loss in people over 50. The findings, published this month in the journal Ophthalmology, is the first to calculate the combined effect of certain dietary nutrients and eating habits on a person’s risk for age-related macular degeneration. The data were collected from 4,003 participants in the ongoing Age-Related Eye Disease Study led by researchers at the Tufts University Jean Mayer U.S.D.A. Human Nutrition Research Center on Aging.
http://well.blogs.nytimes.com/2009/05/07/eating-for-eye-health/?emc=eta1
Dietary fats trigger long-term memory formation
ScienceDaily (May 3, 2009) — Having strong memories of that rich, delicious dessert you ate last night? If so, you shouldn't feel like a glutton. It's only natural. UC Irvine researchers have found that eating fat-rich foods triggers the formation of long-term memories of that activity. The study adds to their recent work linking dietary fats to appetite control and may herald new approaches for treating obesity and other eating disorders.
http://www.sciencedaily.com/releases/2009/04/090427193236.htm
Dieters' best intentions hijacked by their brains
MSNBC.com (Apr. 20, 2009) — New research suggests millions have their best intentions foiled by "conditioned hypereating" - the drive to eat high-fat, high-sugar foods even when they're not hungry. http://www.msnbc.msn.com/id/30312808/from/ET/
New sweetener not so sweet for your diet
MSNBC.com (Apr. 17, 2009) — Stevia, an extract nearly 300 times more potent than sugar, the no-fat, no-calorie sweetener that soda and juice lovers have been thirsting for? No, say nutritionists. http://www.msnbc.msn.com/id/30195885/from/ET/
Young vegetarians may have healthier diets but could be at risk for disordered eating behaviors
ScienceDaily (Apr. 2, 2009) — Although adolescent and young adult vegetarians may eat a healthier diet, there is some evidence that they may be at increased risk for disordered eating behaviors. http://www.sciencedaily.com/releases/2009/04/090401101747.htm
High fructose corn syrup: How dangerous is it?
Prevention.com (Mar. 18, 2009) — In the grand tradition of nutritional scapegoating, high fructose corn syrup has stepped into the spotlight as dietary enemy number one. It's an easy target. What's the real story? http://www.prevention.com/cda/article/high-fructose-corn-syrup/7f2366457bb10210VgnVCM10000013281eac____/news.voices/in.the.magazine/may.2009.issue
10 nutrition myths: balanced eating tips
CBC.ca (Mar. 11, 2009) — We'd all like to eat a little better. Maybe pack a few more fruits and vegetables into our diet while cutting back on the stuff that's not so good for us. But what do you cut out of your diet and what do you keep in? There's a lot of information out there, and it's not always easy to figure out what's fact and what's fiction. Copyright 2009 CBC, All Rights Reserved. http://www.cbc.ca/health/story/2009/03/11/f-nutritionmyths.html
Is your diet making you fat?
Why some slimming strategies backfire — and fixes to help reach your
goal
Msnbc.com / Prevention (Feb. 8, 2009) — If you're trying to slim down, you've probably amassed a menu full of calorie-cutting tips and tricks. So it may come as a shock to learn that many of the ones you've sworn by are actually keeping you fat. http://www.msnbc.msn.com/id/28619575/from/ET/
Diet, not exercise, plays key role in weight loss. Study: Better nutrition trumps physical activity in avoiding obesity
MSNBC.com (Jan. 6, 2009) by LiveScience Staff — Physical activity has many proven benefits. It strengthens bones and muscles, improves mental health and mood, lowers blood pressure, improves cholesterol levels and reduces the risk of cardiovascular disease, diabetes, breast cancer and colon cancer. Exercise is also good for your brain.
http://www.msnbc.msn.com/id/28524942/from/ET/
Another reason
to avoid high-fat diet: it can disrupt our
biological clock, say researchers
ScienceDaily (Dec. 31, 2008) — Indulgence in a high-fat diet can not only lead to overweight because of excessive calorie intake, but also can affect the balance of circadian rhythms – everyone’s 24-hour biological clock, Hebrew University of Jerusalem researchers have shown.
http://www.sciencedaily.com/releases/2008/12/081228191054.htm
Keeping the
weight off: which obesity treatment is most successful?
ScienceDaily (Dec. 12, 2008) — Severely obese patients who have lost significant amounts of weight by changing their diet and exercise habits may be as successful in keeping the weight off long-term as those individuals who lost weight after bariatric surgery, according to a new study published online by the International Journal of Obesity.
http://www.sciencedaily.com/releases/2008/12/081208123257.htm
Monkey diets offer new clue on binge eating: Monkeys under stress more likely to binge on banana chips
ABC News (May 21, 2008) by Sharyn Alfonsi, Kiran Khalid and Stephanie Dahle — Many believe the worst day at work can be curbed by inhaling a big tub of ice cream, but now scientists have found new evidence suggesting that bingeing isn't our fault -- it's biology. http://abcnews.go.com/GMA/story?id=4900179&page=1
Weighty matters: We know that the trend toward super-thin models is pushing some of them to go on potentially deadly diets. What's it doing to the rest of us?
Newsweek (Feb 20, 2008) by Jessica Bennett, Sarah Childress and Susanna Schrobsdorff — The specter of dangerously thin models has raised its beautiful, lolling head once again, this time at New York's Fashion Week, which ends Friday. Stung by negative publicity about boney apparitions on the catwalks, the fashion industry invited eating-disorder experts to an unprecedented symposium on the subject in the tents at Bryant Park. It was quite a spectacle.
http://www.newsweek.com/id/113689
published by: changehappens.ca
last
updated: Jan. 29, 2012