Lather-rinse-repeat is a common mantra for Americans, but all that shampooing can be bad for your hair. Tune in to this podcast from HowStuffWorks.com to uncover past hairwashing trends and a new movement to cut back on the 'poo.

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

See omnystudio.com/listener for privacy information.

Roller derby is an increasingly popular past-time, but is it sport or spectacle? Listen in as Molly and Cristen examine the nature of roller derby -- from the vociferous fans to the unique teams -- to find the truth in this podcast from HowStuffWorks.com.

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

See omnystudio.com/listener for privacy information.

Statistics show that women are twice as likely as men to suffer from major depression. But why? Tune in as Molly and Cristen explore the science and stereotypes behind female depression in this podcast from HowStuffWorks.com.

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

See omnystudio.com/listener for privacy information.

Some theorists suggest that single-sex classrooms create more effective learning environments, while others disagree. Tune in as Molly and Cristen weigh the arguments for and against gender-segregated classrooms in this podcast from HowStuffWorks.com.

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

See omnystudio.com/listener for privacy information.

HPV, the most common sexually transmitted disease in the US, affects both men and women. Could the vaccine that helps women combat HPV-related health problems also benefit men? Tune in to this podcast from HowStuffWorks.com to find out.

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

See omnystudio.com/listener for privacy information.

Breast implants have become a common surgery across the developed world, but some believe there may be a link between breast implants and suicide. Take a closer look at this startling theory in the following podcast from HowStuffWorks.com.

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

See omnystudio.com/listener for privacy information.

The position of first lady is one of the most unique and complex jobs in the United States. Tune in as Molly and Cristen take a close look at the first lady's intricate balance between innovation and protocol in this podcast from HowStuffWorks.com.

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

See omnystudio.com/listener for privacy information.

Join hosts Molly and Cristen as they trace the evolution of feminism -- from the suffrage movement to the modern online incarnations -- in this podcast from HowStuffWorks.com.

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

See omnystudio.com/listener for privacy information.

People have wildly divergent views of what a feminist is. Some eschew the label, while others adopt it readily. Why is feminist such a loaded word? Tune in to this podcast from HowStuffWorks.com to explore what feminism means today.

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

See omnystudio.com/listener for privacy information.

If you're like many women, you've spritzed on perfume before going out. But have you ever wondered what that sweet scent is really doing for you? Sniff out the science and stereotypes behind perfume in this podcast from HowStuffWorks.com.

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

See omnystudio.com/listener for privacy information.