Doctor insights on:
How To Trick Your Body To Not Absorb Calories
I only go number 2 every 4 days or so. Does this allow my body to absorb more calories from the foods I eat?
No: But it does suggest that you need more fiber, fluid & physical activity to get your bowels moving a bit more frequently. With that said, as long as you're not straining to pass a bowel movement, then you're probably normal as stool frequency varies greatly. To be on the safe side, if you're also overweight, lethargic & intolerant of cold, consider asking your doc to check your thyroid function. ...Read more
A calorie is the amount of heat energy needed to increase a mililiter of water 1 degree centigrade, the calorie we talk about in foods is really a kilocalorie, that is the amount of energy needed to increase a liter of water 1 degree centigrade... So if you eat a food that is 500 calories that food if burned completely has enough energy to heat a liter of ...Read more
Hi can our body absorb calorie through skin like if I rub oil over my body where does it go? And does my body absorb its calories?
No: Has to go through the digestive tract. ...Read more
Neither: They live in your colon, after you have absorbed what you need. Any impact is probably minimal. Some of my friends here will disagree, but I would urge you not to waste your time reading our worrying about this fringe stuff and focus of sensible eating and hard workouts. ...Read more
If I eat and get diarrhea in less than an hour after eating, does my body still absorb the calories and nutrients from that meal? I have stomach bug
Infection?: If the problem is due to infection, then it should be limited and you should be ok once the infection or the problem is cleared, if it is an ongoing problem, then you have to see your doctor to find out why. ...Read more
Yes: Yes, the metabolic rate can drop over time to compensate for prolonged reduced calories. ...Read more
See: An endocrinologist for an evaluation of your metabolism no reason a young person should have to eat so many calories ...Read more
Malnutrition: And muscle loss, resulting in weakness, loss of energy, and possibly damage to the heart, kidneys and brain. ...Read more
What can I do if my body right, and I just want to know what's a healthy amount of calories to eat a day?
When one starts lowering calories and exercising when will one start seeing a difference in their body...?
About 3 days: It depends on how much the drop in calories is and how much exercise a person is doing. For example, dropping daily calories by 50, and exercising by walking around the block once, will not be noticeable for a long while. But, for the average person, dropping a 300-500 calories a day, and exercising for 30-40 minutes each day, she will notice her body feels better and stronger after a few days. ...Read more
What are some symptoms I can use to tell if my body is shutting down from eating too little? I'm eating around 500 calories daily.
I've been eating healthier lately, but last night ate 3000+ calories. Today I went up 5.5 lbs. How can your body fluctuate that much overnight?
How to know that how much calories consuming. If I lift weight so should I concentrate on calories or I can eat whatever I like. (more than body need)?
I am 5ft and 97 pounds. I do have a very high body fat percentage like 30 percent last time I checked and I want to lose a few pounds. How many calories should I eat (please don't say 1, 200- that's how I gained a lot of weight) also I splurged yeste
Exercise and caloric: Restriction. To effectively lose weight you need to do more physical exercise and reduce your caloric intake. To lose one pound you need to generate a negative balance of about 4500 calories. So reduce your caloric intake accordingly. It would be useful to consult a dietitian for advise on foods and quantity of foods. ...Read more
BMR: BMR basal metabolic rate is the amount of calories that are burned to keep the body functioning, this varies depending on size and muscle mass, may range from 1200 kcal to over 2000kcal depending on the individual ...Read more
Depends: It depends on your body's Total Energy Needs, and your Energy Availability (Calories In minus exercise and other daily activities). If you are in negative Energy Balance, you may lose weight or your body may go into conservation /starvation mode and lower your metabolic rate instead. ...Read more
Starvation mode: Yes. Starvation: go to Wikipedia and read about the Minnesota expreimets and then read Ancel Keys The Biology of Human Starvation. ...Read more
Yes and no:
Your calorie requirement is dependent on your height, weight, activity level. If you take all 1200 calorie at night and not eat breakfast and lunch you can still gain weight. If you spread that same amount calorie over 3 meals then you will lose weight because that keeps your metabolism up.
Not eating all day your metabolism will slow down and be in a hibernation state. ...Read more
3500 deficit = 1lb: Find some online calculators to help you calculate your daily energy expenditure with your form of exercise. So, if are burning 1800 calories each day, then you'll have a 500 cal deficit and lose 1pound each week. ...Read more
Conversion: Calories are another term for energy. Food is used either for building blocks to repair body breakdown or to provide a source of fuel (energy) for the body. What ever is not needed for either of those two purposes is disposed of as waste. ...Read more
Not sure what you: Mean. Smell isn't a source of calories. The calories of a food don't transfer with smell. ...Read more
Help please! Is eating 2000 calories of junkfood same as 2000 calories of healthy food for the body?
NO: Numbers do not determine usefulness - as an example: is 5 gallons of gasoline the same as 5 gallons of water to swallow in your body over the next week or so. Of course not - be realistic in the qualtiy of the product and not the numbers attached. ...Read more
Help please? What is the least amount of calories my body can survive on without going into starvation mode?
Is it true that being on a restricted calorie diet for a few years, the body will have truoble to gain back fat once back on a normal diet?
Starvation Diet: No. Quite the opposite. Eating normally will cause rapid weight gain and fat deposition since the body will not have a good sense of metabolism. ...Read more
I have read that fat is 9 calories per gram, but does anyone know how many calories are in 1 ounce of "body fat" (including the water, cells, etc.)?
About 256 Kcal: 256 calories in an ounce of fat, fat is fat, including any water weight which is a part of every cell, cells can't function without water. ...Read more
How long does it take your body to break down your body fat from anorexic behaviors? Ex. Eating 50% recommended calories, 15% body fat, male, 180 lb
Planning a diet?: You're actually describing a rigorous weight-loss diet such as athletes undertake to make weight or fitness guys to "get ripped"; it would be an anorexic behavior if it became an obsession or you were likely to hurt yourself. You're at your physical prime and if you can adopt a fitness-focused lifestyle instead of episodic diet, it's be great. Your physician can help. ...Read more
There are....: 4 kcal per gram of protein, versus 4 for carbs, and 9 per gram of fat! Protein is an essential nutrient for life. It is composed of amino acids, which are broken down in your gut and resorbed. You liver can convert them to sugar as needed, and your bodies reassemble then into the specific proteins they need for repair of growth! The young gwoing person, athletes, and older patient needs more! ...Read more
Yes, but not excess: ... Calories. Even at rest you burn calories. Your body has to burn fuel just to keep normal functions going. You eat/drink nutrition and then you burn calories through metabolism. Of course, by working out you burn more calories. If you burn more calories than you take in, you lose weight. On the other hand, if you take in more calories than you burn, you gain weight. ...Read more
Normal metabolism: Your body requires calories for a number of non-exercise functions. Respiration [breathing], circulating blood, even cell growth and repair constantly require energy, thus burning calories. If you add daily functions such as walking, moving, reaching, there is a constant demand for energy by your body even with low levels of exercise. ...Read more
Not exactly: Newer research suggests it is more complex than that. For instance, two people can eat the same amount of calories, all other things being equal, and show different amounts of wt gain or loss. This suggest people are different and even calories are different. ...Read more
900: The general consensus is to not intake less than 900 calories a day. Below that you may start to breakdown your own muscle to support your bodies functions. ...Read more
Yes, but: This may be dangerous and you should consider moderating your approach in order to not cause other health problems. ...Read more
Seebelow: If you are looking to lose weight the starvation diet is not the answer. You need to learn to eat correctly for you. Starvation diets never work because you always gain weight back. I would suggest you check with your physician. For a more sensible approach. The answer weight loss, lower your carbohydrate intake, stop soda, cardiovascular exercise, increase your protein. ...Read more
Yes: Certain type of activities lead to increased caloric burning for longer periods of time, high intensity activities like weightlifting have been shown to increase metabolism for longer amounts of time ...Read more
If exercising: Passive sweating, like sitting in a sauna or steam room, while relaxing will not make you lose weight. Active sweating from vigorous exercise will make you lose weight as long as you are not eating too much. Extra sweat gear to make you sweat more while exercising will not make you lose more weight. Weight loss comes from the calories you burn through exercise and your basic metabolism. ...Read more
Age, and gender: Normal body functions require a baseline of energy- approx. 12-1600 cal based on age, ht/wt, gender and genetic predisposition. If you have chronically dieted, consuming less than 1200 cal/day your body will adapt and burn less. The concept of increase energy use- exercise with reduced calories should prove to be a vital combination to lose weight. ...Read more
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