October 29, 2013 at 1:30 pm #13465ThomasSeayModerator
There are those nutrition theories that have a lot of scientific studies to prove them, but that just don’t stand up in real life.
There are those nutrition theories that make a lot of common sense, but when put to the test fail.
There are certain dietary dogmas that we may cling to at any one time and become a part of us by force of habit or because our ego desires certainty or because our ego refuses to shift its position.
Cast those aside, and tell me one or two things that you have learned along the way that have proven true for you and you have NO DOUBTS about, at least as concerns your own health.October 31, 2013 at 1:58 pm #13498derekParticipant
The only thing I’m certain of is my own ignorance. Reading about nutrition for the past 10+ years has left me no more certain about most anything.
Related to nutrition somewhat, I think I can somewhat confidently say:
1. Eating while doing “work” is a bad idea. By “work”, I mean anything that you wouldn’t do if money weren’t an issue.
2. Eating alone is generally not good. I’m sure there are times when eating alone might be preferred over a social setting, but those are exceptions, not the rule.
Having said this, I’m guilty of breaking both these quite often.November 5, 2013 at 9:40 pm #13587
There are certain lessons that I have had to learn multiple times through personal experience, about which I no longer have any doubt. Here are a few examples.
1) Low-carb diets lead to fatigue, bad breath, poor mood, poor athletic performance, and cravings.
2) Although there are many factors that influence metabolism, calories-in/calories-out is basically true.
3) Lactose intolerance is very real (but may not be permanent).
4) Exercise leads to gradual physical adaptations (in speed, stamina, or strength), and it has a powerful effect on mood.
There are a few more things that I’m certain about, but overall, there are far more things in the field of health and nutrition that I still puzzle over.November 6, 2013 at 10:26 am #13589
David, number 4…I am not 100% on this one! Why are you so confident? I definitely don’t have the answers but just wondering why you feel this. With my family, it just seems this isn’t always the truth, unless our metabolisms are naturally super efficient!November 6, 2013 at 10:31 am #13590
I’m sorry, maybe I misunderstand you. What would differing metabolisms have to do with whether our bodies adapt to exercise? Did you mean number 2?November 6, 2013 at 1:43 pm #13601
Oops, yup, number 2November 10, 2013 at 3:44 pm #13651
I probably shouldn’t allow myself too many caveats, since this thread is supposed to be about what we know with 100% certainty, but I should back up #2 with a couple.
Caveat 1) Two individuals of the same weight and height may not have the same basal metabolic rate (BMR), mainly because of differences in body fat percentage, bone and muscle mass, and age. The research I have looked at suggests that more than 70% of variation between individuals can be explained by those factors. However, the rest of the variation might be explained by thyroid status, exercise, diet, genetics, or other unexplained factors.
Caveat 2) Not everyone digests everything they eat, and certain foods are harder to extract calories from.
Nevertheless, allowing for these caveats, I don’t believe there’s much an individual is able to do, in the short-term, to change his or her BMR. As far as I can tell, building muscle mass would probably be the most obvious way to increase it, and losing muscle mass would be the easiest way to decrease it. But it takes a long time to build muscle (a pound a month is doing well), and you’re not going to lose much muscle unless you’re starving yourself or dieting too much.
So I believe that under normal conditions, weight gain and weight loss can be controlled by monitoring food intake and activity levels. Psychological factors can make this process enormously difficult, but I don’t think the chemistry is all that complicated.
I know you’ve complained about not being able to gain weight despite eating a lot. But you also exercise a lot, and (if I remember correctly), you eat a lot of high fiber foods, like oatmeal, that can hinder calorie absorption. Or maybe your family has a naturally high BMR because of genetics, in which case you’d just need to eat more calories to achieve balance.
I’ve also read that, while obese individuals tend to underestimate the amount they eat, and overestimate their exercise, people with eating disorders do the opposite. They think they are eating more than they actually are, and they think they are exercising less than they are. This could also be a factor in your situation.November 11, 2013 at 3:43 pm #13655
Thanks for the reply! A pound a month? Wowzers, didn’t know it took that longNovember 11, 2013 at 8:02 pm #13660
In some cases you might be able to gain faster, like if you’re a complete beginner or if you’re regaining muscle that you had before, but a pound a month isn’t so bad. If you could keep up that level of gains for two years, that would be 24 pounds of muscle, and that is the difference between a skinny guy and a stud.February 2, 2014 at 1:33 am #14885Jman99Participant
After years of reading anything I can about health and nutrition, I think the ONLY thing I know for sure is that vegetable oils (PUFA’s) are to be avoided like the plague. Other than that, everything seems up in the air haha
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