Spending just two minutes a day solving puzzles such as crosswords or Sudoku could help keep your brain sharp and reduce the risk of cognitive decline, according to growing scientific research.

Multiple studies have found that regularly engaging in mentally stimulating activities can improve memory, problem-solving skills, and overall cognitive function as people age. Researchers say even a small daily commitment to brain-training exercises may provide long-term benefits.

One of the largest studies, the PROTECT clinical trial led by the University of Exeter, followed more than 19,000 adults aged 50 and older. The research found that participants who regularly completed puzzles performed on cognitive tests at levels comparable to people up to eight years younger.

Additional research by neuroscientists in the United States has also suggested that consistent puzzle-solving may help delay the onset of age-related cognitive decline by keeping the brain active and engaged.

Experts compare mental exercises to physical workouts for the brain. Just as regular physical activity strengthens muscles and improves overall health, activities such as crosswords, Sudoku, logic puzzles, and word games help stimulate different areas of the brain responsible for memory, reasoning, and concentration.

Health specialists say the benefits do not require long study sessions. Even a few minutes of mental exercise each day—whether during breakfast, on a commute, or before bedtime—can become a healthy habit that supports lifelong brain function.

While puzzles cannot prevent conditions such as dementia on their own, researchers emphasize that they can form part of a healthy lifestyle alongside regular exercise, a balanced diet, quality sleep, and social interaction to promote long-term brain health.