What causes yeast infections, and how do you get rid of them? – Liesbeth Demuyser
The vagina harbors hundreds of different kinds of microorganisms. Some tend to be especially prevalent, like Lactobacilli. These bacteria produce an acid that lowers the vagina’s pH, limiting what can…
How mucus keeps us healthy – Katharina Ribbeck
If you've got a cold, mucus is hard to miss. But what is it, and what does it do besides making you miserable? Your body produces more than a liter…
What would happen if you didn’t drink water? – Mia Nacamulli
Water is virtually everywhere, from soil moisture and ice caps, to the cells inside our own bodies. Depending on factors like location, fat index, age, and sex, the average human…
The benefits of a bilingual brain – Mia Nacamulli
¿Hablas español? Parlez-vous français? 你会说中文吗？ If you answered, "sí," "oui," or "会" and you're watching this in English, chances are you belong to the world's bilingual and multilingual majority. And…
How to spot a pyramid scheme – Stacie Bosley
In 2004, a new company called Vemma Nutrition started offering a life-changing opportunity to earn full time income for part time work. Vemma’s offer was open to everybody, regardless of…
What causes dandruff, and how do you get rid of it? – Thomas L. Dawson
Here in this abundant forest, Malassezia is equipped with everything it could ever need. Feasting constantly, it’s in paradise. But wait— what’s this? In fact, Malassezia is a type of…
How the food you eat affects your brain – Mia Nacamulli
Your Brain on Food If you sucked all of the moisture out of your brain and broke it down to its constituent nutritional content, what would it look like? Most…
What causes kidney stones? – Arash Shadman
The biggest kidney stone on record weighed more than a kilogram and was 17 centimeters in diameter. The patient didn't actually swallow a stone the size of a coconut. Kidney…
The surprising reason our muscles get tired – Christian Moro
You're lifting weights. The first time feels easy, but each lift takes more and more effort until you can’t continue. Inside your arms, the muscles responsible for the lifting have…
What is MSG, and is it actually bad for you? – Sarah E. Tracy
In 1968, Dr. Robert Ho Man Kwok felt ill after dinner at a Chinese restaurant. He wrote a letter detailing his symptoms to a prestigious medical journal, pondering whether his…