Concentration & Focus Archive

Navigating whether or when an older person should limit or stop driving is tricky. Whether these concerns are about a family member or yourself, it's helpful to be aware of red flags and to understand how driving abilities -- and risk for motor vehicle accidents -- change with age.

People who feel hooked on digital devices often blame dopamine, a brain chemical linked with feelings of pleasure. But people’s brains need dopamine to function, so a “dopamine detox” is not possible. People should instead change habits and environments that draw them to their devices.

Memory changes during a migraine can be unsettling and may have several explanations. See which symptoms need prompt medical attention and follow-up.

Multitasking involves coupling one unconscious activity, such as walking on a treadmill, with a conscious one, such as reading a book. Task-switching involves attempting two conscious tasks at the same time. Constant task-switching can undermine focus, concentration, and working memory.

Vascular dementia, which results from brain cell damage due to reduced blood flow, can cause slowed thinking, confusion, and other cognitive changes. Carefully controlling risk factors for cardiovascular disease may help prevent vascular dementia.

Sudden changes in speech, balance, and coordination can signal an urgent health concern, especially when they fade quickly or recur.

When clonazepam doesn’t ease the unsteadiness of orthostatic tremor, other medicines may offer options to discuss with your doctor.

Transparent circles or other visual changes can appear before migraine pain. Find out what these symptoms may mean and what to discuss with your doctor.

A 2026 study found that older “super-movers”—adults 80 and older who walk significantly faster than their peers—were substantially less likely than slower walkers to develop cognitive impairment and had larger memory-related brain regions, suggesting that brisk walking speed may signal, or even support, healthier brain aging.