Do books reduce the risk of dementia? Here's why reading pays off throughout life
The National Medical Association's team of doctors and anti-fraud experts answers the most important health questions
Key points
Does reading really protect the brain from ageing and dementia? The scientific literature shows a solid association between activities such as reading, writing and language study and a lower risk of cognitive decline and dementia, but without proving a direct causal relationship. The link between culture and health should accompany the entire life span, and endure well into old age, to generate concrete effects. The topic is relevant for public health: dementia is a risk that affects millions of people worldwide and on which it is also possible to intervene through modifiable factors, including cultural habits. We discuss this on the occasion of World Book Day, which is celebrated on 23 April.
Is it true that reading is healthy for the mind and body?
Common sense suggests that cultivating personal culture is beneficial in many ways, both for mental and physical well-being. The scientific literature is replete with studies investigating the link between activities such as reading and other cultural pastimes with different life stages and related goals, from longevity to interpersonal skills, from success at school and work to surviving adverse events. However, one must distinguish personal interest or passion with educational level. Research on these issues does not only consider the attainment of degrees: what counts is, rather, the willingness and commitment to read books or newspapers or learn a new language, as well as choosing stimulating pastimes such as rebuses and crosswords. We have already explored the association between puzzle games and brain health in this sheet.
These activities should be pursued throughout life, thus going beyond compulsory schooling or the need for professional training. Nurturing cultural interests - and reading is the most immediate and inexpensive way to do this - is one of the best ways to train brain functions and protect them from cognitive decline. Remember that, in old age, a slight deterioration of brain functions is not worrying; instead, it is a pathological state when daily activities and the ability to take care of oneself are affected.
Is reading a form of prevention against dementia?
On the prevention of dementia, of neurodegenerative diseases in general, it is worth following the indications contained in the reports of the specific Lancet Commission. There are systematic reviews and meta-analyses that, over the years, have identified risk factors that predispose to the development of cognitive impairment. Among the 14 factors that can be acted upon to avoid or limit the symptoms of dementia is taking care of one's education. Just as we are careful with our diet to avoid hypertension, diabetes and obesity, or as we limit alcohol and smoking, we should think of our intellectual enrichment as a key element of mental health. Exposing ourselves to stimuli that are beneficial to the brain, such as reading, in fact boosts cognitive reserve.
In psychology, this term refers to the ability to activate responses, to react to challenges such as ageing or illness, but also to social isolation and mood disorders.

