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Aitor Calero García

Physical activity to prevent obesity in young children: cluster randomised controlled t... - 0 views

www.bmj.com/...1041.full

physical obesity activity nutrition fructose

shared by Aitor Calero García on 21 Mar 11 - No Cached
  • Conclusions Physical activity can significantly improve motor skills but did not reduce body mass index in young children in this trial
  • 545 children in their preschool year, mean age 4.2 years (SD 0.2) at baseline.
Aitor Calero García

Why existing efforts to combat childhood obesity are bound to fail. By Gary Taubes | hi... - 0 views

www.readability.com/...5v3lpeue

obesity childhood sugar nutrition fructose

shared by Aitor Calero García on 17 Mar 11 - No Cached
  • For the last 60 years, physicians and public-health authorities have been giving that exact same advice to obese people—children and adults—with little or no success
  • The subjects experience modest weight loss (maybe nine or 10 pounds in the first six months), and then they gain the weight right back. Weight loss doesn't last
  • The researchers enrolled nearly 50,000 mostly overweight or obese women into the trial, chose roughly 20,000 of them at random, and instructed that group to eat a low-fat diet, rich in fruits, vegetables, and fiber. These women were given regular counseling to motivate them to stay on the diet. If we believe what these women said they were eating, they also cut their average energy intake by well more than 300 calories a day
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  • After seven-plus years on the diet, these women lost an average of one pound each6 (PDF). And their average waist circumference—a measure of what the diet-book authors like to call "belly fat"—increased
  • whatever weight these women lost was not fat but lean tissue—muscle
  • Prior to the 1960s, clinicians used to argue that making an obese person exercise would just make them hungry—they'd work up an appetite—and that's the last thing you want for someone who needs to lose weight.
  • but it certainly speaks to the idea that getting kids to move more is not the answer
  • Making it possible for children to enjoy the benefits of physical activity is a wonderful thing, but expecting that they'll lose weight by doing so is naive
  • how the human body regulates fat metabolism and the accumulation of fat in our adipose tissue
  • why we accumulate fat—or more specifically, why our fat cells store more calories as fat than they release into the circulation to be burned for fuel
  • Insulin levels, for all intents and purposes, are controlled by the carbohydrates in the diet. The more refined and easily digestible those carbohydrates (the higher the glycemic index, as nutritionists would say), the more insulin will be secreted. And the sugars we consume—i.e., sucrose, the stuff we put in our coffee, as well as high-fructose corn syrup—will cause long-term increases in insulin production
  • Every woman knows carbohydrate is fattening: this is a piece of common knowledge, which few nutritionists would dispute
  • We have to tell children (and their parents) that carbohydrate-rich foods—especially sugars and liquid sugars, like fruit juice and soda—are literally fattening.
  • Aitor Calero García on 17 Mar 11
     
    For the last 60 years, physicians and public-health authorities have been giving that exact same advice to obese people-children and adults-with little or no success
Aitor Calero García

Advice Goddess Blog - 0 views

www.advicegoddess.com/goddessblog.html

shared by Aitor Calero García on 17 Mar 11 - Cached
  • Take Michelle Obama's Let's Move! campaign, one of the most high-profile examples of this mistaken approach to the problem. The principles of Let's Move! sound good. Who would be against getting kids to be more physically active and eat more fruits and vegetables? But anyone who thinks that will reverse the obesity epidemic is sorely mistaken
Aitor Calero García

PaNu - PāNu Blog - Paleo 2.0 - A Diet Manifesto - 0 views

www.paleonu.com/...paleo-20-a-diet-manifesto.html

pānu paleo nutrition

shared by Aitor Calero García on 31 Mar 11 - No Cached
  • until I read Good Calories, Bad Calories (GCBC) by Gary Taubes I still thought that food was just fuel and obesity was always due to bad genes, or overeating, or lack of exercise - the usual suspects
  • Some diseases that are very common today, which we call Diseases of Civilization or DOCs, do not occur with any frequency in native or hunter-gatherer populations until western foods are introduced
  • The background assumption was that cancer, heart disease and obesity are only issues because we live long enough to get them now, and aren’t we lucky for modern medicine?
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  • There was really no print equivalent to today’s 24/7 propaganda of pop nutrition via MSN and Yahoo, with perky titles about the latest worthless observational study associating a colorful plant with some tertiary biomarker of health status
  • But in Gary’s book, the descriptions of populations that ate native whole-foods diets, and what happened to them when they started to eat the white man’s food, was totally eye opening and had never been hinted at in my medical school curriculum
  • You all know this one - The vegan menace. Killing infants and robbing adults of their vitality is the ultimate denial of biology. Endorsed by countless brainless celebrities
  • It seemed that the only commonly agreed-upon element among those claiming to invoke what we are “evolved” to eat, might be that cereal grains should not be a predominant part of the diet
  • That we are eating some things we are clearly inadequately adapted to seems certain, but the idea that the dietary bright line is narrow and exists at the 10,000 year mark is a cartoon view not supported by the science
  • In biology, “putative” means an agent that we think is the responsible or active agent, but we are always trying to falsify our hypothesis. We are always looking for evidence that we might be wrong about our agent.
  • The problem in wheat is proteins, not carbohydrate. White flour is dense and highly concentrated in these problematic proteins and antinutrients. Wheat causes problems even in those who’ve been eating it for thousands of years
  • Eat potatoes, sweet potatoes or root veggies for your starch, and stop eating all bread, cookies cakes and other baked goods
  • Fructose is a carbohydrate, but metabolically it is quite different from the glucose that comes from starch
  • the actual requirement is so small it might be better considered a micronutrient
  • As n-3 and n-6 precursors compete for the same enzyme in the eicosanoid pathway, the excess of n-6 in the diet means that n-3 is outcompeted at the enzyme level. The result is a preponderance of inflammatory molecules. Increased cancer and inflammation are both likely related to this
  • Many are aware that 6:3 ratio is important, so they try to compensate by taking fish oil to balance the 6:3 ratio
  • High total PUFA, especially including the highly unstable n-3, leads to oxidative damage to your cells. Your arteries, liver and  other organs don't appreciate extra oxidative damage
  • Stop eating all temperate vegetable oils – cooking and frying oils like corn, soy, canola, flax, all of it. And go easy on the nuts and factory chicken
  • a substantial fraction of nutrition from animal sources is necessary for health
  • Reject the alternative hypothesis of saturated fat or cholesterol as a Neolithic agent – the so-called diet/heart hypothesis
  • Discount the absolute importance of macronutrient ratios in the nutritional transition
  • whole foods diet that includes adequate micronutrients is the best way to eat healthy
  • tubers, root vegetables and other sources of starch can be healthy for normal people
  • A diet that is archaic, in the sense of appealing to the past with both science and history, but not intending to re-enact a battle that has only happened in our imaginations
Aitor Calero García

Lucid Dreaming Frequently Asked Questions Answered by The Lucidity Institute - 0 views

www.lucidity.com/LucidDreamingFAQ2.html

dreaming lucid

shared by Aitor Calero García on 18 Apr 11 - Cached
  • realization that you are in a dream and there will be no social or physical consequences of your actions
  • For example, one young man dreamt of being pursued by a lion. When he had no place left to run, he realized he was dreaming and called to the lion to "come and get him." The challenge turned into a playful wrestling match, and the lion became a sexy woman (NightLight 1.4, 1989, p. 13). Monsters often transform into benign creatures, friends, or empty shells when courageously confronted in lucid dreams. This is an extremely empowering experience. It teaches you in a very visceral manner that you can conquer fear and thereby become stronger
  • Examples of such applications include public speaking, difficult confrontations, artistic performance and athletic prowess.
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  • neuronal patterns of activation required for a skill (like a ski jump or pirouette) can be established in the dream state in preparation for performance in the waking world
  • Not only does lucid dreaming lead to questioning the nature of reality, but for many it also has been a source of transcendent experience. Exalted and ecstatic states are common in lucid dreams
  • Just as skill practice in a dream can enhance waking performance, healing dream imagery may improve physical health
  • practice of physical skills by stroke and spinal cord injury patients to encourage recovery of neuromuscular function, enjoyment of sexual satisfaction by people with lower body sensory loss (fully satisfying dream sex requires only mental stimulation!), more rapid recovery from injury or disease through the use of lucid dream imagery, and an increased sense of freedom for anyone who feels limited by disability or circumstance
  • many lucid dreamers report using dreams for problem solving and artistic inspiration
  • Dreams of death can actually be insightful experiences about life, rebirth, and transcendence
  • dreams are not messages, but models of the world
  • These biases are difficult to identify while awake, so a world based entirely on such biases, the world of dreams, can help us to recognize them
  • There is a biological obstacle to living in lucid dreams: we have a limited amount of REM sleep
  • Lucid dreams can be signposts for how you can make your waking reality more exciting and enjoyable
  • The best predictor of success with lucid dreaming is the ability to remember dreams
  • This helps you to recognize them as dreams while they are still happening. Second, it is possible that with poor dream recall, you may actually have lucid dreams that you do not remember!
  • If the characters do change, or are not normal, or do not make sense, then you are most probably dreaming
  • Decide on something you would like to do in your next lucid dream
  • elements of dreams that indicate that you are dreaming
  • repeat the procedure so that the last thing in your mind before falling asleep is your intention to remember to recognize the next time you are dreaming
  • lucidity seemed to come easier in afternoon naps
  • awaken one hour earlier than usual, stay awake for 30 to 60 minutes, then go back to sleep
  • During the wakeful period, read about lucid dreaming, practice reality checks and then do MILD as you are falling asleep
  • one per month to up to four a night (at which point he could have lucid dreams at will) over the course of three years
  • The dreamer's task is to notice the flashing lights in the dream and remember that they are cues to become lucid
  • Be like a poker player with an ideal hand. Relax and engage with the dream rather than withdrawing into your inner joy of accomplishment
  • HOW CAN I PREVENT WAKING UP AS SOON AS I BECOME LUCID?
  • the technique of "spinning" can often restore the dream
  • the essential element was the sensation of motion, not relaxation
  • create angular momentum (or the sensation of it), by spinning around your axis
  • this sensory engagement with the dream discourages the brain from changing state from dreaming to waking
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