Medical News Today: Do cannabinoids ease multiple sclerosis symptoms?

Using cannabinoids to treat the symptoms of multiple sclerosis is controversial. This week, JAMA Network Open has published a systematic review and meta-analysis that might help settle the debate. Do cannabinoids reduce MS symptoms? A new analysis investigates. Multiple sclerosis (MS) involves an autoimmune response, in which a person’s immune system attacks the myelin sheaths…

Q&A: How the Humble Bean Went Global

Q. Are there more varieties of beans than there used to be? A. The International Center for Tropical Agriculture preserves the seeds of nearly 40,000 bean varieties, many of which were first domesticated from wild types thousands of years ago in the tropical New World. Only a few of these varieties, however, are in wide…