Study links marijuana smoking to gum disease
WASHINGTON (Reuters) - Smoking marijuana, much like smoking tobacco, may increase a person's risk for gum disease that can lead to tooth loss, researchers said on Tuesday. feeds.reuters.com
Bats Perish, and No One Knows Why
Virus? Bacteria? Environmental toxin? Scientists are racing to diagnose a syndrome that is threatening several bat species. nytimes.com
Cholera kills 67 in Kenya, fungus wipes out rice: UN
GENEVA (Reuters) - A cholera outbreak in Kenya has killed 67 people so far this year, while a fungus has wiped out up to 20 percent of the country's annual rice production, United Nations agencies said on Friday. feeds.reuters.com