SUNDAY, March 25 (HealthDay News) -- Want a healthy snack? Consider passing the popcorn. A new study says the whole-grain treat contains more of the "good for you" antioxidants called polyphenols than some fruits or vegetables.

SUNDAY, March 25 (HealthDay News) -- Isoflavones -- a compound found in foods such as soy milk, green tea, tofu and peanuts -- may help lower blood pressure in young adults, new research suggests.

SUNDAY, March 25 (HealthDay News) -- When it comes to what's best for their hearts, people walk a fine line between getting too much and too little sleep, a new study suggests.

SUNDAY, March 25 (HealthDay News) -- There may be a link between low levels of "bad" low-density lipoprotein (LDL) cholesterol and increased cancer risk, according to new research.

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay: