Meditation: Engaging in meditation involves focusing one's thoughts in a calm and controlled manner, offering numerous advantages for mental and physical well-being.

Chess: A 2016 meta-analysis reveals that activities like chess can enhance memory, executive functioning, and information processing speed.

Playing Games: Enjoying card games or board games provides a pleasant way to socialize and unwind, while also potentially benefiting cognitive functions.

Jigsaw Puzzles: Immersing oneself in jigsaw puzzles offers both satisfaction and potential cognitive advantages. Studies indicate that regular involvement in these puzzles could serve as a defense against age-related cognitive decline.

Crosswords: Solving crossword puzzles is a popular pastime known to stimulate the mind. Research from 2011 even suggests that crossword enthusiasts may delay memory decline, especially in those with preclinical dementia.

Sudoku: A 2019 study involving individuals aged 50 to 93 found that regular engagement in number puzzles could lead to improved cognitive function.

Video Games: In a 2015 review, it was observed that specific video game genres, including action, puzzle, and strategy games, have the potential to enhance attention, problem-solving skills, and cognitive flexibility

Physical Exercise: According to a 2019 review, regular physical activity offers benefits to both the brain and the body, positively impacting memory, cognition, and motor coordination.

Sports: Some sports not only demand physical prowess but also challenge cognitive abilities, including sustained attention, strategic planning, multitasking, and adaptability to changing situations.

Learning a New Language: In 2019, a review suggested that bilingualism could enhance brain connectivity and potentially delay the onset of Alzheimer's and dementia.

Socializing: Interacting with friends and peers can be mentally stimulating and may contribute to the preservation of cognitive function. A 2019 study discovered that individuals with more social interactions had a reduced risk of cognitive decline and dementia.

Learning New Skills: Acquiring new and mentally challenging skills, such as quilting or photography, has been shown to boost memory function, as indicated by a 2014 study involving older adults.

Quality Sleep: While not a physical exercise, adequate sleep is crucial for both body and brain health. Most adults should aim for 7 to 9 hours of sleep per night, a target that many fail to meet.