Does childbirth increase your chance of breast cancer? Yes. But it also decreases it in the longterm ...depending on how old you are your first time around. It has to do with your hormones like estrogen and the damaged DNA in your...

A person’s genes alone don’t tell us enough about how to most effectively treat their cancer.

Each year, approximately 20 million people receive a cancer diagnosis. At that time, a patient usually learns their cancer’s stage, which is typically a number ranging from one to four. While staging is designed, in part, to help...

Breast cancer is a shockingly common disease - as many as 13% of females may get it at some point in their lives. And there's a lot of confusing info out there about it, from hormones to BRCA genes to risks and treatments. So we're here...

We use chemotherapy because it works, but no one has ever come home from chemo treatment and gone "That was fun!" Let's look at the new targeted therapies and personalized treatments for cancer that doctors are developing for clinical use.

Is there actually a cure for cancer? A universal cure would be a truly historic achievement in medicine, and it seems that scientists may have found it... by accident. Watch this new episode of SciShow and find out more! Hosted by: Hank...

Light pollution -- it's not just the bane of light sleepers and frustrated astronomers. It also is tinkering with the biological cycles of all kinds of living things, including us! SciShow takes you behind the glare to understand the...

Statistics! They're every scientist's friend. But they can be easy to misinterpret. Check out this thought exercise with Hank to understand how some mental kung fu known as Bayesian reasoning can use stats to draw some downright...

In a New York Times op-ed, actress Angelina Jolie disclosed she had a preventative double mastectomy because she carries a greater genetic risk of developing breast cancer. Gwen Ifill talks with genetic counselor Beth Peshkin of...

For Black women in America, a breast cancer diagnosis brings with it a

disturbing statistic. Black women are less likely to develop breast c
ancer
but 40 percent more likely to die from it than white women, ac
cording...

The medical test paradox: Can redesigning Bayes rule help?

Seasonal illnesses from infectious diseases aren’t a new concept, but a few decades ago public health experts began to notice the same behavior in some non-infectious diseases like breast cancer. These patterns have helped us learn a lot...

The first time you visit a new doctor, they’ll probably ask you about your family history - but it turns out that family history doesn’t tell you everything about the risks that can be hidden in your genes.

Could we use the energy from light and sound to detect disease? TED Fellow Lei Li shares the exciting promise of photoacoustic imaging: an affordable, painless and accurate method of converting light into sound in order to create...

What would you do if you found out that cancer could be lurking in your genes? More people are getting news like that these days as more kinds of cancer are being linked to specific genes and genetic tests let doctors screen your...

Every cell in the human body has a sex, which means that men and women are different right down to the cellular level. Yet too often, research and medicine ignore this insight -- and the often startlingly different ways in which the two...

Surprising, but true: More women now die of heart disease than men, yet cardiovascular research has long focused on men. Pioneering doctor C. Noel Bairey Merz shares what we know and don't know about women's heart health -- including the...

Working with a team of physicists, Dr. Deborah Rhodes developed a new tool for tumor detection that's 3 times as effective as traditional mammograms for women with dense breast tissue. The life-saving implications are stunning. So why...

Activist and fundraiser Dan Pallotta calls out the double standard that drives our broken relationship to charities. Too many nonprofits, he says, are rewarded for how little they spend -- not for what they get done. Instead of equating...

Statistics! They're every scientist's friend. But they can be easy to misinterpret. Check out this thought exercise with Hank to understand how some mental kung fu known as Bayesian reasoning can use stats to draw some downright...

Filmmaker Penelope Jagessar Chaffer was curious about the chemicals she was exposed to while pregnant: Could they affect her unborn child? So she asked scientist Tyrone Hayes to brief her on one he studied closely: atrazine, a herbicide...

Light pollution -- it's not just the bane of light sleepers and frustrated astronomers. It also is tinkering with the biological cycles of all kinds of living things, including us! SciShow takes you behind the glare to understand the...

Eva Vertes -- only 19 when she gave this talk -- discusses her journey toward studying medicine and her drive to understand the roots of cancer and Alzheimer’s.

Every day there are news reports of new health advice, but how can you know if they're right? Doctor and epidemiologist Ben Goldacre shows us, at high speed, the ways evidence can be distorted, from the blindingly obvious nutrition...