0_equals_true wrote:
Therese wrote:
Actually, it's the height that plays a bigger role in terms of weight management. Generally, the taller you are, the more food you need. Hence, why most people who are considered to be rail-thin despite the fact that they appear to be eating so much tend to be 6'+ or just taller than the average person.
I'm not sure that is quite right. People have different metabolic rate regardless of height. You should see some of those 6ft rugby players average 16-20 stone. Sure they eat a lot but relatively they don't eat all that much more. What's more if they stop playing and eat more they will weigh even more like my sister's b/f.
It's all about the calories. For example, peanut butter is very dense in calories so eating a small amount would still likely have more energy packed in it than say, a huge bowl of lettuce. Technically, you could say that the person who ate the lettuce ate more than the one who ate a tablespoon of PB. In terms of calories, the PB person ate more.
So I think it's safe to assume that those 6' rugby players eat more calorie-dense food compared to the average person, so it only looks like they don't eat a lot and yes, they wouldn't have to eat a lot in terms of volume as that small amount would be packed with enough calories (such as with the PB example).
Also, an active taller person will always burn more calories than an active shorter person even though they're doing the same activity.
As for metabolism, height is a major factor but it doesn't mean it's the only one. Though it only makes sense that the taller you are, the more body mass you have so you'll need more food. It applies both ways, actually -- the heavier out of two people who are the same height would burn off more because of that same principle of body mass.
Other factors are one's eating habits and activity level. Exercising, eating certain food and/or eating frequent small meals can increase metabolism. It varies depending on the person, but all in all, if two people had the exact same eating habits (ex: three squares a day) and activity level (ex: sedentary

) but different heights, the taller person STILL burns off more and would then need more food (well, calories) to maintain compared to the other.
Sorry for the rant, I can get carried away sometimes.

Hope that wasn't too confusing though.
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