Human heart
Latest about Heart & Circulation
![herbal supplement pills](https://cdn.mos.cms.futurecdn.net/azLdQYV2V87Pdg27jw344N-320-80.jpg)
An Herbal Sex Supplement Sent a Man's Blood Pressure Through the Roof
By Rachael Rettner published
A man's blood pressure skyrocketed to dangerous levels after he took an herbal supplement touted for sexual enhancement.
![null](https://cdn.mos.cms.futurecdn.net/X8PYHck9Mo3ZrHbixjNojP-320-80.jpg)
Chemicals from Sunscreen Get into Your Blood. Here's What That Means.
By Rachael Rettner published
Chemicals in sunscreen get into the blood at levels high enough to warrant further testing on their safety, according to a new FDA study.
![A heart monitor](https://cdn.mos.cms.futurecdn.net/jgX4hhm8psqZ5sgDiZoSS5-320-80.jpg)
Erectile Dysfunction Drug May Help Treat Heart Failure
By Rachael Rettner published
A drug for erectile dysfunction may also help treat heart failure, a preliminary study in animals suggests.
![Scientists 3D printed a heart the size of a rabbit's using human tissue.](https://cdn.mos.cms.futurecdn.net/kvLFWUw4xWnyrbgACiFzr3-320-80.jpg)
How Scientists 3D Printed a Tiny Heart from Human Cells
By Yasemin Saplakoglu published
It has four chambers, blood vessels and it beats — sort of.
![null](https://cdn.mos.cms.futurecdn.net/HFZLe7Y9EnCWU7FeEdaPYG-320-80.jpg)
Med School Cadaver's Heart Was In the Right Place (But Her Other Organs Weren't)
By Mindy Weisberger published
This unusual condition went undetected during the woman's lifetime.
![Eggs in a basket on a table.](https://cdn.mos.cms.futurecdn.net/2nwJP8ZxV4JcsudpUBSYwD-320-80.jpg)
What the New Egg Study Means for the Beloved Breakfast Food
By Rachael Rettner published
Eggs are back in the news, with a new study concluding that regular consumption of the beloved breakfast food may increase the risk of heart disease after all.
![heart monitor, heart beat](https://cdn.mos.cms.futurecdn.net/jDYZnoo4CkNUk99WxnZ9wf-320-80.jpg)
Why Are More Young People Having Heart Attacks?
By Rachael Rettner published
Heart attack rates are increasing in what may seem like an unlikely group: adults in their 20s and 30s.
![Broken-heart syndrome weakens the muscles of the heart, causing its left ventricle to enlarge. The heart takes on a shape like a “takotsubo,” a Japanese fishing pot used to trap octopuses. The condition is also known as takotsubo cardiomyopathy.](https://cdn.mos.cms.futurecdn.net/EGyxzvLTpf6JT9tE6PBWNc-320-80.jpg)
Broken-Heart Syndrome May Stem from the Brain
By Yasemin Saplakoglu published
The brain decreases its chatter, the heart weakens and balloons up
Sign up for the Live Science daily newsletter now
Get the world’s most fascinating discoveries delivered straight to your inbox.