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8 Common Problems That Can Be Signs of Anxiety

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Anxiety disorders aren't always just nail-biting worry—they can manifest in some pretty unexpected ways. The issues and symptoms listed here are certainly not exclusive to anxiety, but if you find yourself nodding emphatically as you read along, it might be time to talk to your doctor.

1. EVERYTHING UPSETS YOUR STOMACH.

If gas, bloating, constipation, cramps, and/or diarrhea are a regular part of your life, you may have irritable bowel syndrome (IBS), which is extremely common in people with anxiety disorders. Stress and worry can exacerbate IBS symptoms, which, in turn, can make life a lot more stressful.

2. YOU CAN’T SLEEP.

The day is done and it’s time to hit the sack, but your body is just not cooperating. Your mind is racing, turning over a million little things or the same thing over and over, and your heart is pounding. As with IBS, anxiety can worsen insomnia, and the resulting sleep deprivation can make anxiety worse.

3. YOU PRE-GAME EVERY PARTY.

It’s one thing to have a glass of wine in the evening. It’s another to feel like you need a drink to face the stress of parties and other social situations. There’s a word for this—self-medicating—and it’s very common among people with social anxiety. Be careful with this one; while alcohol may help you relax for a few hours, it can definitely make things worse in the long run.

4. YOU NEED A MASSAGE.

Our bodies evolved a terrific defense system to keep us safe from predators. When a threat arises, our muscles tense, preparing us to run away. The problem is that these days we’re surrounded by minor stressors, and it’s no longer socially acceptable to literally stand up and run away. So we clench, and we clench, and we stay clenched. People with anxiety disorders are especially prone to muscle tension, spasm, and pain, as their defense systems are on perpetual high alert.

5. WORK IS REALLY HARD.

Even small tasks become challenges when you can’t stay focused. Difficulty concentrating is a hallmark of both anxiety and depression, and can be a self-fulfilling prophecy: You can’t focus, so your work starts to slip, so you get stressed, which leads to more trouble focusing.

6. YOUR HEADACHE JUST WON’T QUIT.

Scientists are still teasing out the complex relationships between anxiety, depression, and pain. They know that people with anxiety disorders are more prone to both tension headaches (which can be caused by clenching) and migraines. Fortunately, if properly diagnosed, medication for anxiety and depression can help reduce pain.

7. YOU’RE WINDED ALL THE TIME.

Shortness of breath is a classic anxiety symptom, especially for people with panic disorders. But it doesn’t always take the form of hyperventilating or wheezing; many people with anxiety report experiencing dyspnea, or air hunger, in which they feel like they can’t fill their lungs, no matter how deeply they inhale.

8. YOU CAN’T LET THE LITTLE THINGS GO.

Are you still fretting over the joke you made to your coworker two days ago that landed flat, or that insensitive thing your boyfriend said last week? Ruminating—going over and over things in your head, the same way ruminants like cows re-chew their food—is a form of obsessing, and is very common in people with anxiety.

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European Space Agency Releases First High-Res Land Cover Map of Africa
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Land Cover CCI, ESA

This isn’t just any image of Africa. It represents the first of its kind: a high-resolution map of the different types of land cover that are found on the continent, released by The European Space Agency, as Travel + Leisure reports.

Land cover maps depict the different physical materials that cover the Earth, whether that material is vegetation, wetlands, concrete, or sand. They can be used to track the growth of cities, assess flooding, keep tabs on environmental issues like deforestation or desertification, and more.

The newly released land cover map of Africa shows the continent at an extremely detailed resolution. Each pixel represents just 65.6 feet (20 meters) on the ground. It’s designed to help researchers model the extent of climate change across Africa, study biodiversity and natural resources, and see how land use is changing, among other applications.

Developed as part of the Climate Change Initiative (CCI) Land Cover project, the space agency gathered a full year’s worth of data from its Sentinel-2A satellite to create the map. In total, the image is made from 90 terabytes of data—180,000 images—taken between December 2015 and December 2016.

The map is so large and detailed that the space agency created its own online viewer for it. You can dive further into the image here.

And keep watch: A better map might be close at hand. In March, the ESA launched the Sentinal-2B satellite, which it says will make a global map at a 32.8 feet-per-pixel (10 meters) resolution possible.

[h/t Travel + Leisure]

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Scientists May Have Found the Real Cause of Dyslexia—And a Way to Treat It
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Dyslexia is often described as trying to read letters as they jump around the page. Because of its connections to reading difficulties and trouble in school, the condition is often blamed on the brain. But according to a new study published in Proceedings of the Royal Society B, the so-called learning disability may actually start in the eyes.

As The Guardian reports, a team of French scientists say they've discovered a key physiological difference between the eyes of those with dyslexia and those without it. Our eyes have tiny light-receptor cells called rods and cones. The center of a region called the fovea is dominated by cones, which are also responsible for color perception.

Just as most of us have a dominant hand, most have a dominant eye too, which has more neural connections to the brain. The study of 60 people, divided evenly between those with dyslexia and those without, found that in the eyes of non-dyslexic people, the arrangement of the cones is asymmetrical: The dominant eye has a round, cone-free hole, while the other eye has an unevenly shaped hole. However, in people with dyslexia, both eyes have the same round hole. So when they're looking at something in front of them, such as a page in a book, their eyes perceive exact mirror images, which end up fighting for visual domination in the brain. This could explain why it's sometimes impossible for a dyslexic person to distinguish a "b" from a "d" or an "E" from a "3".

These results challenge previous research that connects dyslexia to cognitive abilities. In a study published earlier this year, people with the condition were found to have a harder time remembering musical notes, faces, and spoken words. In light of the new findings, it's unclear whether this is at the root of dyslexia or if growing up with vision-related reading difficulties affects brain plasticity.

If dyslexia does come down to some misarranged light-receptors in the eye, diagnosing the disorder could be as simple as giving an eye exam. The explanation could also make it easy to treat without invasive surgery. In the study, the authors describe using an LED lamp that blinks faster than the human eye can perceive to "cancel out" one of the mirror images perceived by dyslexic readers, leaving only one true image. The volunteers who read with it called it a "magic lamp." The researchers hope to further experiment with it to see see if it's a viable treatment option for the millions of people living with dyslexia.

[h/t The Guardian]

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