There are huge varieties of birth control methods because there are lots of different ways to disrupt the process of sperm-egg fertilization.

Hank makes it all better by explaining the biochemistry of pain -- how it works, why we have it, and how painkillers, whether they're over the counter or heavy-duty prescription bad boys, make the pain go away.

When a young woman texted DoSomething.org with a heartbreaking cry for help, the organization responded by opening a nationwide Crisis Text Line for people in pain. Nearly 10 million text messages later, the organization is using the...

Thailand's "Mr. Condom," Mechai Viravaidya, retells the country's bold plan to raise its standard of living, starting in the 1970s. First step: population control. And that means a lot of frank, funny -- and very effective -- talk about...

Could a small jolt of electricity to your gut help treat chronic diseases? Medical hacker and TED Fellow Khalil Ramadi is developing a new, noninvasive therapy that could treat diseases like diabetes, obesity, Parkinson's and...

You might have heard that you should use a back-up method of protection if you’re taking birth control pills and antibiotics at the same time. Turns out, you might not have to worry about it.

Hank makes it all better by explaining the biochemistry of pain -- how it works, why we have it, and how painkillers, whether they're over the counter or heavy-duty prescription bad boys, make the pain go away. Chapters View all...

Ever wonder what happens after you flush? You should, because your pee is causing problems! Hank talks about how, and why, human waste is having weird effects on the natural world. We're talking homicidal fish and hermaphroditic frogs...

After World War Two, the applications of basic discoveries in biology took off—and became big business. Today, we’ll look at the rise of Big Pharma and GMO foods. We’ll also discuss how life-science technologies fundamentally changed...

Women on Web is an organization that increases access to pharmaceutical abortion services in countries where those options are limited. The organization has now started a separate service that will fill prescriptions in the United States...

Pill Splitting: Which Medications Are Safe to Halve

AJ Muss is just 23 years old, but his has been an eventful life so far. As an alpine snowboarder, AJ qualified for this year's Winter Olympics in PyeongChang, South Korea, competing for Team USA— but that's not the...

Howcast - Learn if there's a cure for herpes from sexpert Jane Bogart in this Howcast video.

Howcast - Learn about the epilepsy medication Zarontin from Steve Wolf, MD and Patty McGoldrick, NP in this Howcast video.

Howcast - Learn what Seasonique is in this Howcast video about birth control.

Howcast - Learn what Seasonale is in this Howcast video about birth control.

Howcast - Learn about the possible side effects of The Pill in this Howcast video about birth control.

Howcast - Learn how safe and effective an IUD is in this Howcast video about birth control.

Howcast - Learn what a lose dose pill is in this Howcast video about birth control.

Howcast - Learn how to stop your period with birth control in this Howcast video.

Howcast - Learn what Plan B is in this Howcast video about birth control.

Howcast - Learn how safe and effective The Pill is in this Howcast video about birth control.

Howcast - Learn how The Pill works in this Howcast video about birth control.

Howcast - Learn about the benefits of birth control in this Howcast video.