Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
If you cut a 'V' shape into your toe nails, you can prevent 'in-grown' toe nails.
22