How to Overcome Chronic Fatigue
You sleep enough but still feel tired. Learn about the scientific causes of chronic fatigue and discover concrete strategies for recovery.
Yorisoi HotlineOther languages available
#Inochi SOSJapanese only
Inochi no Denwa (Lifeline Japan)Japanese only
Status is shown in Japan time and does not account for holidays. See helplines open now for more services.
You sleep enough but still feel tired. Learn about the scientific causes of chronic fatigue and discover concrete strategies for recovery.
Practical ways to fundamentally relieve the eye fatigue that builds up from long hours of computer and smartphone use, approached from three angles - adjusting your environment, improving your habits, and self-care.
Breathing is one of the few tools that acts directly on the autonomic nervous system. This guide shows practical ways to bring scientifically validated breathing techniques into your daily routine and keep stress under gentle control.
Long hours on a smartphone or computer carry numerous health risks, including eye strain, disrupted sleep, and worsening posture. This article sets out practical ways to keep a healthy distance from your digital devices.
Iron deficiency anemia in women presents far more symptoms than just tiredness. Learn about overlooked signs like pica, nail deformities, palpitations, and poor concentration, plus proper iron supplement use and dietary iron sources.
The autonomic nervous system can be controlled through breathing. This article explains the physiological mechanism where inhalation stimulates the sympathetic nervous system and exhalation stimulates the parasympathetic nervous system, along with evidence-based techniques like the 4-7-8 method and alternate nostril breathing, with step-by-step instructions.
When you eat shaved ice or ice cream too fast, you get a sharp pain in your temples. That pain is actually a defense response where your brain mistakenly thinks it's too cold and rapidly dilates blood vessels. Here's how it works and how to stop it.
Left-handers make up about 10% of the world's population. Why are they a minority, how does their brain structure differ from right-handers, and is the 'left-handed genius' claim true? Sorting scientific facts about handedness.
When winter comes, you find yourself needing the bathroom more often. This phenomenon is called 'cold diuresis,' and it happens because your body redirects blood flow to protect core temperature, causing the kidneys to flush out what they perceive as excess fluid.
Wrinkled fingers after a long bath are not simply the result of water absorption. Research suggests this is an active response triggered by the brain via the nervous system - an evolutionary adaptation that improves grip on wet objects.
You never mistake up for down, yet you regularly turn left when someone says right. Left-right confusion is not carelessness - it stems from a fundamental asymmetry in how the brain processes spatial directions.
You recognize the face, the voice, even where you met. But the name just won't come. This 'it's on the tip of my tongue' feeling is caused by a structural weakness in the brain's memory retrieval system.
You can eat effortlessly with chopsticks in your dominant hand, yet switching to the other turns you into a toddler. This gap isn't about muscle strength - it's the result of how your brain allocates its neural wiring budget.
Everyone has had the experience of hearing their recorded voice and thinking, "That's not what I sound like!" The reason is that the voice you normally hear is not your "real" voice.
That annoying eyelid twitch that won't stop. Learn why eye twitching (myokymia) happens, its connection to stress, caffeine, and sleep deprivation, when it signals something more serious, and how to make it stop.
Hair pulling disorder (trichotillomania) affects 1-2% of the population. Learn about the neurological basis of this body-focused repetitive behavior, why willpower alone doesn't work, evidence-based treatments, and strategies for managing urges.
Occasional hiccups are harmless, but hiccups lasting more than 48 hours can signal underlying medical conditions. Learn about the hiccup reflex mechanism, common and serious causes of persistent hiccups, and when to seek medical evaluation.
Photophobia (light sensitivity) can stem from migraines, dry eyes, medication side effects, or neurological conditions. Learn the mechanisms behind painful light sensitivity and practical strategies for managing it in daily life.
Misophonia causes intense emotional reactions to specific sounds like chewing or typing. Learn the neurological basis of sound sensitivity, how it differs from hyperacusis, and evidence-based management approaches.
That one sound is unbearable and something close to anger rises with it. Without filing the reaction away as being highly strung, we unpack how strong responses to particular sounds arise and offer practical adjustments for sharing a table.
You notice your leg is moving. We reconsider a movement long discussed as a matter of manners through two functions, self-regulation of alertness and blood flow, then separate it from medical conditions and offer substitutions that fit the setting.
Sighing tends to be read as a display of low spirits, yet it happens to everyone at regular intervals in order to keep the lungs working. We unpack its role from respiratory physiology and sort out why it looks so tightly bound to emotion.
You cannot recall what you came to fetch. This is not memory declining but the result of a change of scene acting as a boundary in memory. We unpack the mechanism and go as far as building arrangements that make forgetting harmless.
Just like you have a dominant hand, you also have a dominant eye. About 65% of people are right-eye dominant. Your dominant eye shapes how you frame photos, your form in sports, and even where your gaze naturally settles. Here is how to find yours and work with it.
Dry eye is caused not just by insufficient tear volume but by deterioration in tear quality. Learn about meibomian gland dysfunction, the impact of digital devices, hormonal fluctuations, and evidence-based treatments beyond simple eye drops.
Sharp pain when drinking cold water or eating ice cream? Tooth sensitivity (dentin hypersensitivity) occurs when protective enamel wears thin. Learn what exposes the sensitive layer, which habits worsen it, and how to manage sensitivity effectively.