Sexual pleasure involves both “craving” and “euphoria” brain systems simultaneously.
Orgasm activates brain regions linked to addiction and reward nudes
Selfies may increase social sensitivity.
One study found that taking and sharing selfies was associated with a higher level of social sensitivity, meaning people become more attuned to social cues (like how others perceive them)
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.
Curly hair may have offered evolutionary advantages
Studies suggest curly hair could have aided heat regulation and brain protection in early humans by trapping air and shielding the scalp from UV radiation more effectively than straight hair.
