Brain health Archive

Mind & Mood

How much sleep keeps cognitive decline at bay?

Published December 1, 2021

Sleeping six hours or less is associated with impaired cognition, mostly in memory, as well as an increase in the protein that can form brain plaque. Sleeping nine hours or more is also linked to cognitive problems, especially in decision making.

Mind & Mood

Exposure to traffic noise linked to higher dementia risk

Published December 1, 2021

A decade or more of high exposure to traffic noise may increase dementia risk.

Exercise and Fitness

Working out your brain

Published December 1, 2021

Cardio exercise has been convincingly linked to less cognitive decline and may even improve cognitive functioning. Research suggests it can strengthen the heart, promote arterial health, improve blood flow to the brain, fight inflammation, and increase key chemicals that promote new brain cell growth. The type of exercise does not matter, but cardio that is both physically challenging and offers mental stimulation is ideal.

Heart Health

Switching to a salt substitute may reduce stroke risk

Published December 1, 2021

Swapping regular table salt (sodium chloride) with a salt substitute containing some potassium chloride may lower the risk of strokes and related heart problems.

Mind & Mood

Helpful gadgets for a fuzzy memory

Published December 1, 2021

Many gadgets help support memory. Some—such as calendars, voice recorders, and talking motion-activated sensors—provide basic reminders that can be used to help someone remember appointments, lists, and more. Other tools, such as key hooks and mini shelves, support memory by establishing a reliable storage spot for everyday objects such as keys and eyeglasses. Automatic pill dispensers and pill alarms can help people manage a medication regimen. Wireless trackers can help people find objects when they’re misplaced. Smartphones have many memory-support tools, such as calendars, notepads, voice recorders, and alarms.

Mind & Mood

Harvard finds flavonoids linked to sharper thinking and memory

Published December 1, 2021

People with the highest daily flavonoid intakes were 19% less likely to report trouble with memory and thinking, compared with people who had the lowest daily flavonoid intakes, according to a Harvard study published online July 28, 2021, by Neurology.

Mind & Mood

Can friends who listen help protect your memory and thinking skills?

Published November 1, 2021

A study published online Aug. 16, 2021, by JAMA Network Open suggests that older adults with good listeners in their lives have better thinking skills—despite decreases in brain volume—compared with people who don’t have good listeners in their lives.

Mind & Mood

Too much coffee may raise dementia risk

Published November 1, 2021

Drinking coffee daily can provide a welcomed mental jolt for many people. But new research suggests regular coffee drinkers should stop at five or six cups per day, as drinking more may increase their risk for dementia.