I have a biochemistry exam tomorrow and this is some of the things I've been studying:
Dietary Carbohydrate Influence Nutrient Oxidation:
After you eat, most dietary carbohydrate is readily oxidized: either used immediately for
cellular functions or converted to glycogen for storage in the liver and the muscles. On
days when you eat a lot of carbohydrate, more carbohydrates are oxidized. A metabolic
process called diet-induced thermogenesis, may increase.
The elevation in your blood glucose and the increase in your glycogen stores put the brakes on appetite (in most people) so you do not eat more than you can use.
As a result, glycogen storage in the average person rarely reaches maximum capacity, which is about 1,500 carbohydrate calories.
Balance between carbohydrate intake and storage could also occur if excess carbohydrate
were stored as fat. It is theoretically possible for this to occur. However, having enough
excess carbohydrate to convert to fat would require an extremely high carbohydrate
intake for several days. Some experts have estimated that an intake of 2,000–2,500 kcal of carbohydrate over several days, after carbohydrate stores were at maximum, would be required before carbohydrate would be converted to fat.
Dietary Fat Influences:
If you decreased your carbohydrate intake? Would this force more fat to be burned?
Many popular high-fat, low-carbohydrate diets would lead you to believe so. Unfortunately,
replacing dietary carbohydrate with fat promotes obesity for several reasons:
1. Although the fat in your diet creates a feeling of stomach fullness, fats are overall less satiating than carbohydrates.
2.Carbohydrates control the rate of fat oxidation (“fats burn in a carbohydrate flame”),
and when carbohydrate stores run low, fat oxidation slows.
3.Fat intake does not stimulate an equal and proportional increase in fat oxidation.
When fat oxidation is less than fat intake, fat storage results
4. Unlike glycogen, fat stores are not limited in size.
- Nothing new but here is a good explanation I took from a book and wanted to share with you.
Permalink Reply by Maureen on Hmm ... 2000 to 2500 kcal is considered excessive? Then why aren't 80/10/10ers getting fat?
Permalink Reply by Joanna Cantoral on 
Permalink Reply by Felícia ღ on Even when you stay in bed all day you burn "fuel" e.g: your brain spends 20% of your daily calories.
If you're sick probably you will need more calories in order for the body to get healthy again;
So, when people overeat, they don't necessarily gain weight in direct proportion to excess calories consumed. But as said above, normaly when you don't need energie you won't feel like eating. So you would have to really force yourself to eat a lot for "several days" and don't move a finger to gain fat.
Permalink Reply by DURIANRIDER on You should see how much time Freelee & I sit on the computer. Basically we eat in bed, work in bed and sleep in bed. We spend more time in bed than any couple we have ever met. At least 150 hours a week.
Yesterday all we did physical wise was walk a few blocks to get some fruit and we even got a taxi back lol! I did 100 push ups in the park. Havent done 100 pushups for probably 6 months.
Sure we are fit but anyone that thinks we train a lot all the time is assuming.
This is my latest vid. Over 10 years eating unlimited carbs every meal, every day.
That was so good. I have been pondering since I joined this site why some people are gaining weight. I was thinking it had something to do with a readily available source of energy to burn that means your body doesn't have to tap into its fat stores until you are functioning at an optimum level (2-3 years). Its really been bothering me.
After reading your post, I feel good again. Thanks.
Permalink Reply by DURIANRIDER on You also gotta look who is saying 'GAINING WEIGHT!! OMG!!!'
99% of the time its anorexics that need to put on some weight anyways!
The 1% of time its just newbies that have starved emself in the past and now they are storing edema cos their adrenal glands are recovering.
There was one frequent poster her that made many threads about weight gain and turns out her husband is a gourmet chef and she was loading up on the cheese and bacon burgers he makes at their resturant lol! Now she is on other forums bagging us all over. She is still fat though!
I mean anyone in their right mind that thinks they can become a fatty bomba long term on fruit is a bit of a fruit cake to start with. They should just open their eyes and look for the hefty long term fruit crew. Im not talking newbies 1-2 years in, Im talking seasoned vets!
Permalink Reply by RawBenny on Thanks Felicia, it'd be interesting to hear what else you learn that may be relevant here. For example, how would you dispute the popular low-carb line that fructose from fruits is bad because it raises blood sugar, feeds cancer, etc.
Permalink Reply by Felícia ღ on First of all, there's not much information about fructose from fruit, most studies talk about the frutose found in high-fructose corn syrup (HFCS) wich is present in processed food wich has little nutrition value and has been assotiated with hypertension, elevated blood lipids, and type 2 diabetes.
Frutose from fruit does not need insulin to enter the cells therefore it's metabolized quickly, wich is good when you want to keep you're sugar levels normal so that you don't feel grumpy and star eating junk.
BUT because it is readily absorbed by your body it also means that you need to eat regularly.
Fructose also has a lower thermic effect compared to other carbohydrates, so less energy is released when it is metabolized, that's why you need to eat more calories on 811.
Blood sugar and cancer,ect- NO, because fruit has fiber witch empties slowly from the gastric tract
preventing cardiovascular disease, gastrointestinal disease, diabetes, and cancer; AND it contains
phytochemicals and antioxidants wich are protective against disease.
The only concern I see is that a diet high in carbs might raise the triglyceride (TG) levels in some people. I've read a post on 30BaD where someone was concerned about his TG levels wich were high but I think he was a beginner and then Anne Osborne replied and her levels were pretty low but within normal range and she's been doing this for 20 years so gess there's no need for worries.
But keep in mind that these mechanisms are very complex and differ from one person to another.
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