Human Body
Exploring "Why" questions about Human Body
481 articles
Why is Sex pleasurable and yet Childbirth is incredibly painful? [Likely to be NSFW]
Sex drive is something all animals share. It's a basic, instinctual thing. Being able to even *understand* that there's a link between sex and childbirth is a uniquely human thing.
Why is Indonesia’s lung cancer rate so low (58th) despite the incredibly high smoking rate there (80.2% of males)
The average life expectancy in Indonesia is about 70 to 71 years, according to Google. Also, according to google, the average age of diagnosing Cancer is about 70. Also, 2 out of 3 People that are dia
Why do people instantly grab/press a body part which just got hit/injured?
I would assume people do this to prevent further damage to that body part. For example, if you are in a fight with someone and they punch you in the left arm, you would cover it to try to block more d
Why is it not long after you wake up, it’s very difficult to remember the more interesting dreams you had?
Memories created in dreams almost immediately gets mixed up. They are created when the part of your brain that handles common logic isn't operating. The moment you wake up and that part of your brain
why we get goosebumps when we hear a particularly beautiful voice or a certain scene in a movie?
The human brain is pretty amazing; it doesn't have to actually experience something to respond to it. Some external stimuli (e.g. a scene in a movie) can lead your brain to start acting like you are e
Why do children seem to be better at learning second languages than adults?
There is an area in the brain that is responsible for language processing. It is largely responsible for learning new languages when a person is still young, but becomes "set" after a certain age. Aft
Why is it that on most fans, the switch is ordered as off, high, medium, and low?
When you turn the fan on, the motor that powers the fan is running at max speed. When you turn the fan to medium or low, the motor is slowed down. Running the fan at the maximum speed of the motor is
Why is medicine dosage measured in half-life if half the medicine is still in the body?
It's not used to purely say when a patient has "0" of any drug in their system, it's more to help when giving "Top Up" doses, say you have a patient on Morphine that needs an extra dose, knowing the h
Why does a person feel more sleepy when day drinking and then stopping, than when compared to drinking from the evening onwards?
Because alcohol is a depressant, if you drink and then stop you will feel tired and ready to sleep because thats what alcohol as a drug does to you. Generally if you drink in the night you will be goi
Why are college grades so test taking oriented instead of grading us on our ability to work in teams and research information on topics?
> Colleges claim to prepare us for the real world This is not in fact the objective of advanced colleges and universities. Their job is to teach you how to think and how to learn, and also to to pr