Study: Smoking weed not linked to COPD

Study: Smoking weed not linked to COPD

ByJOE

Marijuana smoking is not associated with chronic obstructive pulmonary disease, or COPD, according to a newly released study. Researchers at the University of California, Los Angeles looked at participants who smoke or have smoked tobacco cigarettes and divided them into three groups: current, former, or never smokers. The study authors said limited data are available…

New gene linked to malaria parasite resistance to chloroquine

ByJOE

The researchers have important implications for the ongoing fight against malaria, a disease that affects an estimated 247 million people and causes more than 619,000 deaths each year, predominantly among young children. It was long believed that the evolution of malaria parasites to resist an important antimalarial drug was associated exclusively with a specific gene….