Questions tagged [energy]
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How does the brain react to intermittent fasting during the whole cycle?
In the 16/8 intermittent fasting, you eat for 8 hrs then fast for 16hrs. I am curious about how the brain reacts to these changes as the cycle progresses through the day. When will cognitive ...
How is adipose tissue synthesized? [closed]
I am wondering about how the food that we eat gets converted to adipose tissue. A great many articles are explaining how fat (the macronutrient) gets converted to energy but there are very few (at ...
Is it safe to drink Monster Energy (or any energy drink) after paracetamol? [closed]
I took two tablets about an hour ago and now would like to drink an energy drink to give me a boost. I've been told this is potentially unsafe. Is there any dangers to this?
Why does the brain shrink and increase energy usage after dehydration?
Along with mood and energy deficits a dehydrated brain has to use a lot more energy to accomplish the same tasks, shows a study from King's College London. Quote from Dehydration affects brain ...
Use of injection containing both insulin and glucose
I'm not a medicine person (and not a chemist), and the question is mostly theoretical. I've been thinking about how and why glucose and insulin are used and hwo they work, and I have several ...
Are afternoon naps healthy?
I live in a hostel and I observe that in weekends, some of my friends are very desperate for an outing or a day trip. But there are some exceptional ones who like to sleep after their lunch, and it ...
Energy value from food: is it the maximum avail?
Long story short, is the energy value listed on the foods nutritional label a fixed value? Food labels indicate macro-nutrients (carbs, proteins and fats). These values, in combination with the 4-4-9 ...
Why do I feel shaky after only a small amount of caffeine?
I like coffee, but caffeine seems to 'wire' me much more extremely than most other people. I feel energized or even shaky after less than half a normal cup, and a whole 8 ounces will usually cause me ...
How long does it take for iron supplements to start improving energy levels? Is it instant or gradual?
I have a myriad of reasons for my fatigue, shortness of breath, lack of motivation, headaches, lack of concentration, feeling very cold in my feet/hands, etc. (I have hypothyroidism, PCOS, ...
Individual variation in food energy bio-availability
I'm sure that this question has been asked before, but I've been unable to find the correct wording to give useful search results. Nutritional information assumes the following energy values: 4kcal/...
How many calories does it burn to regrow a liver?
The liver is rather unique in being able to regrow after partial donation. More interestingly, growing organs in general uses loads of energy, and while I'm not exactly advocating for advertising ...
Can age affect how carbohydrates affects your energy level?
I've read that eating a lot of products containing carbohydrates can make you feel tired. However, when I was younger (pre-20) I never noticed this effect. Currently 25 and noticed being tires quite ...
What are the long term effects of Dexedrine (for adult ADD)?
Dexedrine is a common treatment for ADD in adults. It is a stimulant that helps with focus and engagement in their work. But it is an amphetamine and thus has potential for chemical dependence. ...
Effects of Modafinil
As someone who suffers from chronic insomnia and often has to get things done during the day without much or any sleep at all, I would like to know from those experienced what the effects are of ...
What is the minimum energy needed to stay alive?
This is a bit of an odd question, but here goes. Your body needs energy to function. Each organ (brain, heart, etc.) need different amounts of energy to function properly. So it stands to reason that ...
Can caffeine be absorbed through the skin? Specifically, do caffeinated soaps boost energy?
I had no idea that caffeinated soap existed! (You really do learn something new everyday)! So apparently these caffeinated soaps are on the market, but are they really all that effective in boosting ...
Should I be concerned if I suffer insomnia but still am still largely functional the next day?
My definition of insomnia: take more than 4 hours of sleep, and/or sleep less than 4 hours a day. I have difficulty in finding sleeps at night, however when I wake up the next day, I am still full ...
Do all very old people have heart failure?
A 95 year old will probably not be able to do hard exercise, such as running fast for one hour per day. The heart of such a person won't have the capacity to pump the required amount of blood through ...
How to work 16 hours a day?
I'm 27 years old. I work in the computer software industry. I have a full-time job and I also work on some freelance projects. I spend around 11 hours on my full-time job and it is a bit stressful (i....
How energizing/effective are Turmeric supplements? They are often advertised on energy drinks
I've been studying for exams lately, and as much as I hate to admit (because I know how bad energy drinks are for people), I've been consuming some energy drinks, and I've noticed that quite a lot of ...
Are low amounts of caffeine, e.g. Coke, bad for IBS? If so, advice on how IBS sufferers can get a burst of energy?
I unfortunately, am one of the many that suffer from IBS (irritable bowel syndrome). I also have the luck of suffering from fibromyalgia (so I have chronic fatigue), but I have a very demanding job ...