Woman holding her head in one hand and an ice cream cone in the other

What Causes Brain Freeze AKA Ice Cream Headaches?

Brain freeze, or the ice cream headache, is still little understood.
Nutrition label

A Long Overdue Ban on Trans Fats

The FDA is banning trans fats in food.
Woman sneezing in a grain field

The How of Seasonal Allergies

Allergies, how do they work?
Close-up of two pills with a blurred glass of water in the background

The Power of Placebo

Why - and when - is placebo effective?
Various vitamins of different sizes and colors

Do Vitamin Supplements Cause Cancer?

There's been a long history of research on vitamin supplements and their potential cancer risk.
Clasped hands

What Happens When You Crack Your Knuckles?

Where does the sound of cracking knuckles come from, and is it dangerous?
Paganini's Bloodletting Kit 
Courtesy of Schubertiade Music & Arts

The Vampire Virtuoso? Paganini’s Bloodletting Kit Is for Sale

Paganini's personal bloodletting kit contains three domed-shape glasses with brass twist spouts and a brass scarification (scraping) tool.
Large planet with the sun in the background and moon in the foreground

So You Want to Move to Mars?

A Dutch non-profit plans to send voyagers on a one-way trip to Mars
By DFID - UK Department for International Development (Flickr: Bracing for a short, sharp jab) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons

Should Vaccination Be Compulsory?

While science is clear that vaccines are safe and effective, it is silent on whether or not mandating compulsory vaccination is the right thing to do.
Woman with child in the wiilderness

Wild, Natural, and Home Births: For the Birds?

Medical research on natural and home births