Brain and Cognitive Health Archive

Concussion is one of the most common injuries to the brain, affecting about two million children and teens every year. Understanding signs, symptoms, questions to ask, and how concussion care has changed in recent years can make a difference in identifying concussion and recovery.

Recent changes in laws have made gambling widely accessible and popular. Uncontrolled gambling can have many kinds of consequences, some quite serious. A simple screening test for problem gambling and knowing the range of available resources can help people ward off the worst of these issues.

A 2023 study suggests excessive TV-watching, defined as four or more hours a day, is associated with higher risk of developing brain-based disorders such as dementia, depression, and Parkinson's disease.

Forgiveness is defined by replacing ill will toward an offender with goodwill. A 2023 study suggests forgiveness boosts mental health by reducing depression and anxiety levels. Other evidence suggests physical benefits as well. Studies indicate forgiveness also eases stress, improves sleep, and lowers blood pressure and heart rate. Being unable to forgive can raise blood pressure, which can affect overall heart health. Some people are innately better at forgiving, but Harvard experts say all people can learn skills that help them forgive.

A 2023 study found that people who engaged in moderate or vigorous exercise an average of four days a week had more brain mass in regions associated with cognitive skills like memory and learning, compared with people who did not exercise.

A new study from the National Institutes of Health has performed more diverse and extensive biological measurements of people experiencing chronic fatigue syndrome than any previous research. Here's what they found and what it means.

Many efforts to improve health are also good for the brain. A study of nearly 400,000 people led researchers to develop a scorecard assessing 12 factors that contribute to the risk of dementia or stroke, making it easy to see where you're doing well and where you might do better.

Everyone goes through periods when they feel low, lethargic, or stressed. These episodes usually pass after a while, but if symptoms linger or begin to interfere with daily life, people should seek professional help. Otherwise, people can take several steps to boost their mood, such as exercising more, spending time outdoors, volunteering, meditating, and keeping a gratitude journal.

A 2023 study found a link between excess abdominal fat and lower brain volume, particularly in regions involved in thinking, memory, and performing everyday tasks.