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My Answered Questions

• There is a sleep inducing hormone called Melatonin, could this be taken as supplements and used to cure sleep disorders

• How many Neurons make up the human brain?

• why do we cry when we are sad or upset?

• rolling your tongue is apparently genetic, but neither of my parents and also both sets of my grandparents cannot do it

• Why do people speak different languages? (it’s to do with sound!)