Marijuana Health provides a scientific update on studies that look at the health effects of marijuana use. It provides abstracts from PubMed on the topic up to the time of writing..
Vegetarian Science provides a scientific update on studies that compare vegetarian with other diets. It provides abstracts of studies related to vegetarian diets from PubMed up to the time of writing.
Vegetarian Diet Management provides a summary of the science related to the management of vegetarian diets. provides recent abstracts from PubMed on health concerns with a vegetarian diet.