10 Interesting Fact About The human brain and psychology

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• The human brain consists of around 100 billion nerve cells or neurons.
• Human nerves can send electrical signals with speeds of up to 120 meters per second.
• When someone experiences fear, his brain releases stress hormones called cortisol.
• Most people only use about 10% of their brain capacity.
• The human brain produces around 70,000 thoughts every day.
• When someone laughs, the brain releases endorphins, hormones that make us feel happy.
• When someone feels hungry and eat foods that contain sugar, the brain will release dopamine which makes us feel happy.
• Fear and anxiety can cause the brain to damage, especially if it is felt for a long time.
• Having friends and good social relationships can help improve mental health and keep the brain healthy.
• Too much using a cellphone and the internet can affect a person's brain and mental health.