PNAS

The author during her time as a Peace Corps volunteer in Kenya. As a Peace Corps volunteer teaching in Kenya 25 years ago, I was fascinated by the cultural, linguistic,...

Each year at least 350 million people around the world are infected by malaria parasites.   More than one million people, mainly young children, succumb to the disease.   But...

As shown in these ancestry paintings from 23andMe, the proportion of African DNA can vary widely for African Americans. A recent study led by Carlos Bustamante of Cornell and Sarah...

Inflammatory bowel disease (IBD), which can appear as either ulcerative colitis or Crohn’s disease, damages the lining of the digestive tract and leads to abdominal cramps, incomplete digestion and nutritional...

Although environment plays a major part in addiction – you can’t get hooked on something you’ve never tried – genetics plays a substantial role in determining whether a person who...

It’s no accident that we often refer to rejection or insult as a slap in the face – research shows the same brain signaling pathways are involved in both physical...

SNPwatch gives you the latest news about research linking various traits and conditions to individual genetic variations. These studies are exciting because they offer a glimpse into how genetics may...

By Brenna HennA Nilotic-speaking pastoralist from Tanzania / Sarah A. TishkoffGenes are just one component that children inherit from their parents. Throughout much of human history, especially when populations consisted...