Home > Human Body > October 10, 2015 Human Body Lack of sleep can lead to an increased desire for sex, depression and substance abuse. Share this:FacebookTwitterGoogle Related Posts The use of emoticons affects our corresponding brain areas We have been infected by so many viruses that 8% of our DNA is made up of them. Facial hair strongly influences women’s perception of men’s attractiveness If your hand or arm ‘falls asleep’, you can often ‘wake it up’ by shaking your head. The human brain (mass-tissue) does not have pain receptors thus brain surgery is performed while people are awake. A condition called False Awakening occurs when you’re dreaming that you’re woken up, but still are in deep sleep. Hugging is a good medicine A human brain produces as many as 12,000 to 50,000 thoughts per day If you stay up all night your body burns an extra 161 calories. You get a new skeleton every 10 years. Bone cells are constantly renewed and a new skeleton is ready every 10 years.