Tagged Questions
5
votes
1answer
73 views
What effect do oligosaccharides, like those found in legumes, have on the composition of intestinal flora in humans and if so how so?
I know that intestinal flora metabolising oligosaccharides, like those found in legumes, is the cause for the well known fact that legumes cause flatulence, but does an oligosaccharide-rich intestine ...
2
votes
1answer
42 views
Are (baseline) high blood levels of melatonin associated with either circadian rhythm or mood disorders?
(Exogenous) melatonin is administered at night for treatment of circadian rhythm disorders, but melatonin taken during the day is linked with depression.
I would like to know if high blood levels of ...
6
votes
2answers
121 views
In humans what is the last metabolic process to cease after death?
After death which of our body's metabolic processes will continue functioning for the longest?
3
votes
1answer
58 views
Where does all the food go?
Food goes in, excrements come out. This seems obvious.
But it seems like the mass of the excrements is less than the one of the food.
Most people I asked answered: "There's a difference because it's ...
4
votes
1answer
101 views
Do effects of caffeine on human body change with habitual use?
I've been reading about homeostatic nature of a lot of neurobiological processes - the brain is trying to maintain a balance by desensitizing receptors, re-uptaking and breaking down ...
4
votes
2answers
87 views
Does the brain and the body use the same energy source (glucose/ATP)?
I've heard that the brain consumes quite a lot of oxygen and energy, compared to the rest of the body. What I'm interested in is if this is the kind of energy and oxygen that the rest of the body ...
3
votes
1answer
91 views
What is the molecular basis of hangovers?
Well, most of us have experienced the wonderful feeling of the dreaded hangover. How does it work exactly? I imagine it has something to do with dehydration but what are the underlying mechanisms?
...
3
votes
1answer
843 views
Does mixing alcoholic drinks really make you more drunk?
There is plenty of anecdotal evidence ("beer after wine and you'll feel fine, wine after beer will make you feel queer") that mixing alcoholic drink types leads to a stronger effect, but I can't find ...
4
votes
1answer
296 views
What does vitamin B6 and B12 absorption depend upon?
I'm looking at my question about homocysteine metabolism and am doing a followup inquiry into vitamins B6(Pyroxidine) and B12(Cyanocobalamin). I've found this interesting bit about vitamin B12 and am ...
1
vote
1answer
43 views
What is the role of Homocysteine in cognitive function?
I'm looking at this link : Homocysteine and cognitive impairments and am looking for more information on specific cognitive impairments associated with elevated levels Homocysteine. That article is ...
4
votes
1answer
194 views
When is the lactase in lactose-free milk active?
Recently we have started suspecting that one of our children has hypolactasia (lactose intolerance), and so accordingly I have had my first exposure to lactose-free dairy- and dairy-like products. In ...
4
votes
1answer
249 views
Is there a relationship between efficiency of cellular metabolism and warm-blooded-ness?
My BIO 101 book states that when human cells convert glucose to ATP, the process is only approx 35% efficient, and much of the potential energy is lost as heat. However, that heat is useful to us in ...
4
votes
2answers
161 views
Energy use by muscles, actual work done by muscles and more
Lately, I've started exercising in the gym and outside. I've also started to look at the details of food I eat.
Food usually has a label saying the amount of energy is inside it. For example, some ...
4
votes
1answer
75 views
What biological systems are affected by Vitamin B6 (or B vitamins in general)?
B vitamins and particularly the B6 vitamin appears to the one of the main ingredients in energy drinks.
There has been anecdotal evidence from people interested in dreaming that ingestion of vitamin ...
7
votes
1answer
107 views
How Antioxidants affects Human Metabolism?
I'd like to know how antioxidants affects the human metabolism and which ones are essential for metabolism processes.
7
votes
1answer
1k views
Primary function of the enzyme lipoprotein lipase
I read here and here that the function of lipoprotein lipase is to facilitate fat uptake and storage in adipose tissue. Could anyone provide a slightly more expanded explanation, without going into ...
11
votes
3answers
445 views
What happens to dextrorotatory amino acids in humans?
As indicated by this question, most of the amino acids in the human body have the L-chirality. As enzymes also have handedness, what happens to the D-amino acids that end up within the human body? Are ...
12
votes
2answers
105 views
Relationship between our microbiome and personalized nutrition
Recently, it has been asked whether there are 'metabolic types' between humans that can benefit from a sort of personalized nutrition. One answer suggested that one discerning factor could be the ...
6
votes
2answers
194 views
Is there such thing as a generic “metabolic type”?
A while ago I picked up a book called "Eat right for your metabolic type". The book discussed the effects of the endocrine system on the overall shape and the speed of metabolism.
The book outlined ...
7
votes
2answers
117 views
During famine, does the human body do anything to prioritize which organs receive nutrients?
When food is scarce, the body slows its metabolism. Are there any other systems or processes that encourage prioritization of organs?
11
votes
3answers
605 views
How does the human body metabolize gasoline?
A Chinese man has been drinking gasoline to relieve his pain for 25 years. How does the human body metabolize gasoline? Also, what are the side-affects to gasoline?
