It’s an age-old question, whether it’s better to exercise before or after eating. Research done in the United Kingdom might provide the impetus for some people: According to a small study, exercise burns more body fat when you do it on an empty stomach. The research compared the effects of exercising after eating breakfast to…  read on >

A well-planned vegetarian diet is healthy for an infant or toddler, the Academy of Nutrition and Dietetics says. But it’s crucial to make sure that the young child gets all necessary nutrients, the academy says. These nutrients include: Vitamin B12 — This vitamin can be obtained by consuming dairy products and eggs. Vegans may opt…  read on >

Cases of childhood obesity have risen steadily over the past two decades, the U.S. Centers for Disease Control and Prevention says. Children who are obese are more likely to be bullied, are at higher risk of developing other chronic health problems and are more likely to remain obese as adults, the agency says. The CDC…  read on >

While grapefruit is a great source of vitamin C and potassium, it may interact with your medication, the U.S. Food and Drug Administration warns. The FDA says these types of medication may become an issue when taken with grapefruit juice or grapefruit: Some statins to control cholesterol, such as Zocor (simvastatin) and Lipitor (atorvastatin). Some…  read on >

If your child has a food allergy, safety prevention belongs at the top of your back-to-school checklist. “Ensuring that parents and school personnel are all on the same page as far as preventing exposures and treating symptoms is critical to keeping food-allergic children safe,” said Dr. B.J. Lanser, director of the Pediatric Food Allergy Program…  read on >

Some simple steps can reduce danger when you venture into the great outdoors, an expert says. “Knowing your limits, not trying to do too much, knowing where you’re going and what you might encounter there and being aware of the environment you’re in are the best ways to avoid problems outdoors,” said Dr. Henderson McGinnis,…  read on >

You’ve probably heard about the high-carb diet and the low-carb diet, but a new study suggests a moderate-carb diet could be the key to longevity. Researchers followed more than 15,000 people in the United States for a median of 25 years and found that low-carb diets (fewer than 40 percent of calories from carbohydrates) and…  read on >

There is no scientific evidence that tongue scraping will prevent bad breath, the American Dental Association says. Such devices may clean the tongue, but the bacteria that cause bad breath can grow back very quickly, the ADA says. Here’s what it recommends to keep your breath fresher: Brush your teeth twice a day with a…  read on >

High levels of exposure to the insecticide DDT in women seems to more than double the risk of autism in their children, new research suggests. The study looked for a link between the development of autism and two common environmental chemicals — DDT and PCBs. PCBs are chemicals that were used in many products, especially…  read on >

HIV, the virus that causes AIDS, is typically a manageable infection, but medications that keep the virus at bay don’t work for everyone. Now, researchers have developed a new medication to help them. The U.S. Food and Drug Administration approved the drug — ibalizumab (Trogarzo) — in March. Phase 3 trial results were published in…  read on >