To become more intelligent, consistently challenge your brain by reading diverse topics, learning new skills like a language or instrument, and actively solving problems, while also supporting cognitive function with regular exercise, a healthy diet, sufficient sleep, and mindfulness. Cultivating curiosity, asking questions, teaching others, and surrounding yourself with smart people are also key strategies for continuous growth.
You must take a holistic approach to fuel your brain, body and mind.
5 healthy habits that boost intelligence and brainpower
How to Be Smart
Your brain can change and adapt, becoming more efficient as you learn and experience new things. You can enhance neuroplasticity in many ways from learning a new language to engaging in complex problem-solving tasks. These activities not only improve specific skills but also enhance your brain's overall efficiency.
An IQ of 72 is considered borderline intellectual functioning, falling below the average range (90-109) but not quite low enough for a diagnosis of intellectual disability (typically below 70). It signifies slower learning, potential difficulties with complex concepts, and a need for more support in daily living and academic skills, placing someone in the bottom few percentiles of the population.
(i) The heritability of intelligence increases from about 20% in infancy to perhaps 80% in later adulthood. (ii) Intelligence captures genetic effects on diverse cognitive and learning abilities, which correlate phenotypically about 0.30 on average but correlate genetically about 0.60 or higher.
Some intelligence models and tests also include visual-spatial intelligence as a third element.
Yes. However, there is heavy debate over exactly how IQ and intelligence change with age. Studies have demonstrated that a person's fluid intelligence tends to decrease starting in their late 20s, while their crystallized intelligence tends to increase as they grow older.
Meaning of IQ
85 to 115 - Two thirds of us have an IQ in this range: the 'average' IQ is 100. Over 135 - You are in the top 1%.
Playing number puzzles
Number puzzles, such as sudoku, can be a fun way to challenge the brain. They may also improve cognitive function in some people. A 2019 study of adults aged between 50 and 93 years found that those who practiced number puzzles more frequently tended to have better cognitive function.
SIGNS YOU'RE SMARTER THAN YOU THINK.
About 75% of your brain is water, making hydration crucial for sharp thinking, focus, and mood, as even mild dehydration (losing 2% of body water) can impair memory, concentration, and reaction time. The remaining part of the brain is mostly fat, and this water content is essential for creating neurotransmitters and supporting brain function.
What Are the Signs of High Intelligence? Let's Talk!
According to Coren, scores on intelligence tests decline cumulatively on each successive day you sleep less than you usually sleep. The daily decline is approximately one IQ point for the first hour of sleep loss, two for the next, and four for the next.
Five significant signs your brain might be in trouble include memory loss (especially recent events), difficulty with familiar tasks or language, confusion about time/place, significant personality/behavior changes, and problems with judgment, focus, or coordinating movement, often indicating conditions like dementia, brain injury, or other neurological issues, requiring a doctor's visit.
90% of the brain develops before age 5.
The brain is most flexible and adaptable to learning during the earliest years, and as the brain matures, it is less capable of reorganizing and adapting to new or unexpected challenges.
8 Superfoods for Brain Health
Among each of the seven types of intelligence, intrapersonal intelligence is considered the rarest.
Being quick to learn shows that you have a good capacity for retaining new information. It doesn't mean you master every skill you try. But it does mean you're quick to learn what you need to know to get by. Being quick to learn is a good sign of intelligence because it means you quickly adapt to new situations.
Intelligence is highly heritable and predicts important educational, occupational and health outcomes better than any other trait. Recent genome-wide association studies have successfully identified inherited genome sequence differences that account for 20% of the 50% heritability of intelligence.
Intelligence-related genes are often found on the X chromosome. Women carry two X chromosomes, while men only have one. That means, purely from a genetic probability standpoint, mothers are more likely to pass along genes linked to cognitive ability.
A weighted average has been calculated at 0.75, with about an absolute average difference of 8.0 IQ points. In comparison, identical twins reared together typically differ by 6 IQ points, non-twin siblings differ by 12 points, and complete strangers differ by 16.9 points.
Saying humans are 98% chimpanzee means we share nearly all our DNA with chimps, reflecting our very recent common ancestor, while saying we're 50% banana means we share about half our genes, but these are ancient, fundamental genes for basic cell functions (like making energy), showing the deep evolutionary link between all life from a distant common ancestor, not that we're physically half-fruit. It's a comparison of different types of genetic similarities, highlighting our close primate cousinship versus our shared fundamental biology with plants, according to Pfizer.