SEATTLE, Aug. 14 (UPI) — Regular yoga practice may help prevent middle-age spread in normal-weight people and overweight people may drop a few pounds, U.S. researchers said.

OTTAWA, Aug. 14 (UPI) — Smoking marijuana, like smoking tobacco, has toxic effects on cells, researchers in Canada found.

CHICAGO, Aug. 14 (UPI) — Elderly people who spend less time socializing experience more rapid decline in motor function, U.S. researchers say.

TACOMA, Wash., Aug. 14 (UPI) — Thirty-two percent of children of a deployed U.S. military parent scored at “high risk” for psychosocial problems, researchers suggest.

BOSTON, Aug. 14 (UPI) — Three studies provide no evidence that animal food consumption increases the risk of breast cancer, U.S. and European researchers said.

HERSHEY, Pa., Aug. 14 (UPI) — The choice of leavening agent is a key factor in the levels of cocoa anti-oxidant activity and flavanols in a baked product, U.S. researchers said.

PORTLAND, Maine, Aug. 14 (UPI) — U.S. researchers say a healthy diet high in fruits and vegetables helps prevent kidney stones.

SAN FRANCISCO, Aug. 14 (UPI) — Middle-aged men who idealize masculinity are less likely to seek preventive healthcare, unless they are blue-collar workers, U.S. researchers say.

ATLANTA, Aug. 14 (UPI) — Carbon monoxide exposure due to improperly vented generators after power outages is a preventable cause of death and injury, U.S. health officials said.

DURHAM, N.C., Aug. 14 (UPI) — The supplement carnitine may offer hope for people with glucose intolerance, older people, and people with kidney disease and diabetes, U.S. researchers said.