Nootropics, or smart drugs, aim to enhance cognitive performance. Prescription stimulants and nonprescription substances, including caffeine, are considered nootropic. Here, we discuss research into the effects and risks.
Causes of numbness in the thigh include lupus, some autoimmune conditions, and multiple sclerosis. Treatment depends on the cause. Learn more here.
In the largest and most in-depth study of its kind, scientists confirm that physical fitness is associated with improved cognitive ability.
The brains of people who use their feet as they would hands — for high precision tasks — have adapted to 'view' toes almost as fingers, a study shows.
New research finds a 'significant' association between a history of migraine and various forms of dementia, and Alzheimer's disease in particular.
Trepanation is the historical practice of drilling holes into the skull. But why did our ancestors do it, and when did it start? We investigate.
In most cases, concussion symptoms disappear within a month. If they do not, the person may have post-concussion syndrome. Read about the symptoms, causes, risk factors, and treatments here.
Early symptoms of a brain tumor can include headaches, vision problems, and mood swings. However, because they are so general, diagnosis can be difficult. The symptoms tend to vary depending on the location and stage of the tumor. Learn more here.
Benign paroxysmal positional vertigo (BPPV) is a condition that commonly causes dizziness. Specific head movements may trigger symptoms, but people can usually treat BPPV with exercises and medication. Learn more here.
New research shows how subtle natural fluctuations in resting brain activity most likely impact our inclination toward risk taking behaviors.