Low back pain with sciatica is among the most common medical conditions.

Source: mountsinai.org
Cocaine was the drug of choice in the disco era of the 80’s, fuels the economy of at least one Latin-American country. And was once an ingredient in that most American of soft drinks, Coca-Cola. This infographic looks at the history of Cocaine and its lasting popularity.

Aside from an economy in crisis and a huge unemployment rate, America also has one other large problem. Obesity is a growing epidemic in the U.S. with two-thirds of the country overweight and almost half of these people diagnosed as clinically obese. There are many factors behind this unhealthy trend. Read on to find out about the leading causes of obesity in America.

The bio-gas digester is a great low-tech solution for the need for cooking fuel in developing (and why not developed?) countries. It collects waste from livestock and people, harvests the gas for cooking, lighting and/or heating, and produces organic fertilizer for crops. Using bio-gas instead of wood or charcoal greatly reduces smoke inhalation and related diseases (especially in women who do most of the cooking), deforestation, carbon output, time spent gathering firewood or money spent to buy wood or charcoal. Different types exist, but this is an illustration of the basic concept.

Source: bopdesigner.com