Has any of the following ever happened to you:
You’re in the living room and decide to get something from the bedroom, only to get there and forget what you’re supposed to pick up.
You’re in the middle of telling a story and you forget a term/name/your next thought.
You look all over the house for your eyeglasses, only to find out you’re wearing it all this time.
These are classic cases of brain fog. We often laugh it off, dismissing it as “senior moments”. But not all mental lapses are due to old age.
Brain fog can happen to everyone and may even be a symptom of a bigger health problem.
Brain fog is a mental lapse or fatigue, which is characterized by difficulty in thinking, understanding and recalling.
These are the common symptoms of brain fog. And there are a few reasons why it happens to the best of us.
There are several causes of brain fog. And when I say several, I mean a long list of reasons why it happens to most of us. Are you ready for a scroll marathon?
Here are 8 causes of brain fog:
Sleep rejuvenates the brain and prepares it for the next day. According to Scientific American, “Sleep serves to reenergize the body's cells, clear waste from the brain, and support learning and memory.” 
Not having enough sleep can hinder brain functions and may lead to poor focus, concentration and other cognitive functions.
Having trouble sleeping? Then here are a few articles that can give you life hacks and some better-quality snooze:
Sleep apnea is a “potentially serious disorder in which breathing repeatedly stops and starts.” 
A pretty good indication that you have this is when somebody has told you that you snore loudly, and you feel unbelievably exhausted even when you’ve had a full 8-hour sleep.
This just means that you had trouble breathing throughout the night.
Sleep apnea gets in the way of having good quality sleep. It eventually keeps your brain from going through the process of renewing and restoring cells.
Vitamin B-12 is important in maintaining healthy brain function. On the flip side, vitamin deficiency can cause brain fog.
If you want to steer clear of mental fatigue, then be more mindful of what you eat. A great start is removing too much MSG, aspartame, peanuts and dairy from your diet. 
Stress causes several negative effects on our body.  These include heightened blood pressure, hair loss, weak immune system, depression, and yes, brain fog. When we’re stressed, cortisol levels are high, making it hard to concentrate, think rationally, and reason.
A change in levels of progesterone and estrogen during pregnancy and menopause sets off brain fog. Hormonal changes – and sometimes imbalance – like this can result in poor memory and lack of mental clarity, and poor concentration, albeit in the short-term.
A 2013 study showed that women transitioning to menopause suffered from hormonal changes, and eventually, forgetfulness and trouble focusing on challenging tasks. 
Another indication of effects of hormonal imbalance on brain fog is its presence in thyroid disorders. People suffering from hypothyroidism and Hashimoto’s disease also experience difficulty remembering and solving complex problems. 
Imagine a moment when you’re going through high emotions. Was it easy to focus at the time?
It’s really no easy feat to think, concentrate and process information when there’s lack of motivation or a high level of anxiety. Depression and anxiety are both serious mood disorders that alter our brain’s cognitive functions, especially memory, focus, rational-thinking and decision-making.
Brain fog is a common side effect of certain medications and treatments. This is more common in cancer treatments, and is sometimes known as chemo brain.
When this happens, consult your doctor and check if you could switch to a lower dose or another one that will prevent brain fog.
Certain medical conditions can also cause brain fog, most of them are linked to fatigue, variations in blood glucose level and inflammation. Some of these medical conditions are: 
Within 15 minutes of consuming caffeine, you’ll already feel its stimulating effects. One of them is being more alert, attentive and laser-focused.
Livestrong cites a 2009 study from “Cognitive Science” which validates that caffeine “can improve your mental faculties and alleviate fatigue.” 
The same article, however, warns about going overboard with caffeine. Having one too many cups of joe in a day can be counter-productive, and can cause brain fog:
As you go up with a caffeine boost, so you must come down. If you are prone to ingesting high amounts of caffeine, more than 500 mg a day, brain fog can set in. Insomnia, irritability, poor concentration, anxiety and restlessness are a few of the consequences of heavy caffeine use. These effects can occur hours after your last dose and may prompt you to consume more caffeine to counter the effects. However, the cause is not the cure in this case, and you may want to consider weening yourself off of high-dose use.
In any case, moderation is key. Make sure you don’t go beyond the recommended daily caffeine intake. Here’s how much caffeine you should have in a day.
The next time you feel brain fog settling in, try a Viter Energy Mint, which only has 40 mg of caffeine per mint. It’s just enough caffeine you need to clear your head and keep you hustling.
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This is a love story that most of us coffee lovers have with our cup of joe.
We can only love our java so much, and there will come a time when we have to have a little less than what we’ve been used to.
Parting ways is an arduous process filled with pain, pining, and pure anguish.
(Okay, that may be too much but you know what I mean.)
Romance calls this passion. Science calls this caffeine withdrawal.
Caffeine is a natural substance that's considered a stimulant. It's able to keep you alert because of how it works in the brain. To get the most bang for the buck, it's important to know the right amount of caffeine to consume in a day.
When’s the ideal time to drink coffee? How many minutes before caffeine kicks in Those are valid questions. In fact, caffeine takes some time before it goes into full gear. If you want to know how long does it take for caffeine to work, read more