Eliza Leone, a dietitian, teaches culinary medicine to a mix of medical, dental and dietetics students from Tufts University.

New guidelines issued on Wednesday say that people should consume less alcohol “for better overall health” and “limit alcohol beverages,” but they don’t recommend clear limits.

Children learning to garden with their mothers during a “Kids Farm Day” event earlier this month in Aberlin Springs, an “agri-community” in southwest Ohio.

Harvesting cassava on a farm in Oyo, Nigeria, in May. A new U.S. program is trying to promote a return to traditional crops like cowpeas, cassava and millets.