Category: Health / Science

The anatomy of low back pain

Four out of five adults experience significant low back pain at some point in their lives, and many contend with ongoing pain; pain triggered or exacerbated by certain positions, movements, or activities; or intermittent...

Why is meningitis so dangerous?

In 1987, thousands of people gathered in Saudi Arabia for the annual Hajj pilgrimage. But what started out as a celebration led to a worldwide health crisis: more than 2,000 cases of meningitis broke...

Ketogenic diets: beyond the hype

Despite the recent hype, very low-carbohydrate ketogenic diet isn’t a new kind of diet. Ketogenic diets have been used for years as a medically prescribed treatment for difficult cases of epilepsy, especially in children....

Voyager 2 reaches interstellar space

It’s time to say goodbye to one of the most storied explorers of our age: Voyager 2 has entered interstellar space, NASA announced December 10th. Voyager 2, which launched in 1977, has spent more four decades...

How do cigarettes affect the body?

Cigarettes aren’t good for us. That’s hardly news — we’ve known about the dangers of smoking for decades. But how exactly do cigarettes harm us, and can our bodies recover if we stop? Krishna...

Functional anatomy of the hand

In this vintage educational video, Drs. Robert Chase and William White describe the functional anatomy of the hand, including detailed descriptions of flexors, extensors, nerves and musculature. [Via: Stanford Anatomy]

The RNA world hypothesis

All living creatures today reproduce and evolve using a complex gene-enzyme cycle. If we look at a cell, for example, information encoded in its genes is used to produce functional proteins called enzymes. Some...