Sexual pleasure involves both “craving” and “euphoria” brain systems simultaneously.
Orgasm activates brain regions linked to addiction and reward nudes
Every two minutes, we take more pictures than all humankind did in the entirety of the 1800s. (Bonus fact: Photography was invented in 1826, that's 200 years ago this year!)
Breasts are associated with sensuality due to their visual and tactile role in sexual attraction, and can generate orgasms through nipple stimulation; these are normal hormonal changes, often asymmetrical and hereditary, that indicate fertility and matur
Glass dildos trace their roots to the 1600s, when hand-blown hollow glass dildos—often filled with warm water for extra tease—were secretly used by Italian nuns for steamy self-pleasure, as noted in period texts mocking religious morals.
Different parts of the nail matrix contribute differently to nail thickness
Studies indicate about 79 % of the thickness of the nail plate comes from the nail matrix, while the remaining 21 % is contributed by the nail bed — overturning the notion