Your brain is always thinking because it's designed to process information, solve problems, and plan, but constant thinking (overthinking or racing thoughts) often stems from anxiety, stress, perfectionism, past trauma, or conditions like depression, ADHD, or OCD, where the Default Mode Network (DMN) or threat detection system (amygdala) becomes overactive, creating a loop of worry, rumination, or worst-case scenarios.
It's normal for people to be thinking "constantly" throughout the day, but what matters is that your thoughts may be interfering with your quality of life, which makes it a symptom.
Here are five strategies to try.
Five key signs your brain might be in trouble include significant memory loss (forgetting important things or familiar routines), difficulty with everyday tasks, confusion about time/place, problems with language/communication, and noticeable personality or mood changes, such as increased irritability or loss of interest in hobbies, which signal potential cognitive decline or neurological issues.
While racing thoughts are most commonly described in people with bipolar disorder and sleep apnea, they are also common with anxiety disorders, obsessive–compulsive disorder (OCD), and other psychiatric disorders such as attention deficit hyperactivity disorder (ADHD).
Racing thoughts are one of the most common symptoms when we can't sleep. The lights go out, our heads hit the pillow, but our frontal cortex isn't done for the day. Egged on by caffeine, anxiety or everyday stress, our brains start acting like a pinball machine as thoughts ricochet from one place to another.
Five common OCD symptoms involve intrusive obsessions (like contamination fears or aggressive thoughts) and compulsions (like excessive washing, checking locks, ordering items, counting, or seeking reassurance) performed to reduce anxiety, often interfering with daily life. Key examples include intense fear of germs leading to frequent handwashing, needing things perfectly aligned, repeatedly checking appliances, mentally repeating phrases, and hoarding items.
Early warning signs of a brain tumor often involve headaches (especially morning headaches), seizures, persistent nausea/vomiting, vision changes, and unexplained weakness or balance issues, alongside potential changes in personality, memory, or difficulty with speech, though symptoms vary greatly by tumor location and size, so any new, concerning neurological changes warrant a doctor's visit.
Cognitive Test. Cognitive tests are short, quick tests to check how well your brain is functioning. These tests don't diagnose specific diseases. Instead, they identify a problem with cognition and the need for more in-depth testing.
Here are six things I recommend to my patients in order of importance:
Symptoms of stress
3 More Stress-Relieving Beverages
Racing thoughts: People with ADHD may experience a constant flow of thoughts, making it difficult to focus on any one thing. This can lead to racing thoughts that are hard to control and can interfere with daily life.
The first stage of a mental breakdown, often starting subtly, involves feeling overwhelmed, exhausted, and increasingly anxious or irritable, coupled with difficulty concentrating, changes in sleep/appetite, and withdrawing from activities or people that once brought joy, all stemming from intense stress that becomes too much to handle.
About 75% of your brain is water, making hydration crucial for sharp thinking, focus, and mood, as even mild dehydration (losing 2% of body water) can impair memory, concentration, and reaction time. The remaining part of the brain is mostly fat, and this water content is essential for creating neurotransmitters and supporting brain function.
Common symptoms of neurological disorders include:
We'll also provide tips on how to break these unhealthy habits and protect your health!
B vitamins like B6, B12 and B9 (folic acid) are crucial for brain health and may help prevent cognitive decline and improve memory in older people. Some research suggests that B vitamins improve mood and slow brain atrophy, a hallmark of Alzheimer's disease.
The early stage of a brain tumor can manifest as persistent or severe headaches, seizures, cognitive changes, vision problems, personality changes, balance issues, fatigue, nausea/vomiting, speech difficulties, or loss of smell. Brain tumor symptoms may vary in intensity and duration.
Age. Brain tumours can start at any age. But as we get older our risk of developing most cancers, including brain tumours, increases. The risk of brain tumours is greatest in those aged between 85 and 89 years.
Brain tumor red flags include persistent, worsening headaches (especially in the morning/night), new-onset seizures, unexplained nausea/vomiting, vision changes (blurred, double), balance/coordination issues (clumsiness, trouble walking), significant personality or behavioral shifts, weakness/numbness on one side, and speech difficulties (slurring, trouble finding words). These symptoms often stem from increased pressure or direct interference with brain functions, and their gradual or sudden appearance warrants medical attention.
No. OCD cannot be detected through medical tests such as blood work, imaging scans, or genetic panels. While research continues on biological clues—like brain activity patterns or chemical changes—none are currently part of standard clinical practice.
Not a few patients with obsessive-compulsive disorder (OCD) have experienced events that affected the onset. The onset of OCD is not limited to the original meaning of trauma; rather, traumatic experiences such as unexpected exposure to contaminants or various stressful life events often cause the onset of OCD.
OCD can affect men, women and children. People can start having symptoms from as early as 6 years old, but it often begins around puberty and early adulthood. OCD can be distressing and significantly interfere with your life, but treatment can help you keep it under control.