1) Exercise
Exercise increases blood flow to the brain, which also increases the delivery of oxygen, fuel and nutrients to those hard-working neurons. Research has shown that exercise can increase levels of a substance called brain-derived neurotrophic factor (BDNF), which encourages growth, communication and survival of neurons.
*neurotrophic - relating to or dependent on the influence of nerves on the nutrition of tissue.
2) Diet
The brain is mostly fat—all those cell membranes and myelin coverings require fatty acids—so it is important to eat certain fats, particularly omega-3 fats, which are found in fish, nuts and seeds. Alzheimer’s disease, depression, schizophrenia and other disorders may be associated with low levels of omega-3 fatty acids.
Fruits and vegetables also appear to be brain superfoods. Produce is high in substances called antioxidants, which counteract atoms that can damage brain cells. Researchers have found that high-antioxidant diets keep learning and memory sharp in aging rats and even reduce the brain damage caused by strokes.
3) Stimulants
Small to moderate amounts of stimulants such as caffeine can boost our mental functioning in ways researchers are now measuring. One study showed that the equivalent of two cups of coffee can boost short-term memory and reaction time.
4) Video games
Video games can improve mental dexterity, while boosting hand-eye coordination, depth perception and pattern recognition. Gamers also have better attention spans and information-processing skills than the average Joe has.
5) Music
Music can treat anxiety and insomnia, lower blood pressure, soothe patients with dementia.
But there’s more to music’s interaction with the brain than just the raw sound. Music can also activate your brain’s reward centers and depress activity in the amygdala, reducing fear and other negative emotions.
6) Meditation
Meditation, or the turning of the mind inward for contemplation and relaxation, seems to help all types of conditions—anxiety disorders, sure, but it can also reduce pain and treat high blood pressure, asthma, insomnia, diabetes, depression and even skin conditions.
big boosts in immune system functioning. Meditation can also increase focus and attention, improving performance on cognitive tasks.
Find out more on Scientific American.
Saturday, February 28, 2009
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