Like muscles, many parts of the brain get a physiological workout during exercise.
Exercise increases blood flow to the brain. The brain then has the power to customize hormone levels; for example the hormone cortisol, which is related to stress, is reduced along with feelings of anger, fatigue and tension. Serotonin and dopamine are chemicals that are released during and after exercise that make us feel calm, happy and euphoric.
The great thing for us is if you do not want to wait for these feelings to come to you, you can bring them on by exercising.
Single bouts of exercise can also reduce anxiety for several hours afterwards.
Low to moderate forms of exercising, for half an hour to an hour three to five times a week, is recommended for brain training.
This training can be variety of activities include joining in on a group fitness class, lifting weights or cardio training (for example walking, cycling or rowing). If you are sweating and starting to breathe heavy you are working hard enough.
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