Latest about Sex
Video Shows How HIV Infects Cells During Sex
A new video shows the virus passing from an infected cell into a new host, as it would during sexual transmission.
Here's How a Transgender Woman Breast-Fed for 6 Weeks
A transgender woman was able to produce enough milk to breast-feed her partner's newborn baby for six weeks, according to a new report of the case.
The 10 Strangest Medical Cases of 2017
From a woman who sweats blood to a man with a giant stone in his bladder, a number of intriguing medical cases made headlines in 2017.
When Do Children Develop Their Gender Identity?
Gender is more of a flexible state than most people think. And as children, we start out thinking more flexibly about gender than we do as adults.
Can Sex Trigger Cardiac Arrest?
A new study suggests that, although this can happen, it's very rare.
Americans' Well-Being Declines for 1st Time Since 2014
After three years of improvement, the well-being of Americans ticked downward in 2017, according to a new poll, though some demographics were spared.
Harvey Weinstein's Retreat: Does He Really Have a Sex Addiction?
Harvey Weinstein is reportedly in rehab for sex addiction, a diagnosis that doesn't formally exist and is a matter of great controversy in psychology and psychiatry.
'Janus Cat' Born in China: How Can an Animal Have 2 Faces?
A kitten born with two faces had a rare condition called diprosopus.
