Diet

Until recently, very few people had ever heard of raspberry ketones, the aromatic compounds that give the berries their distinctive smell. Today, health food stores have trouble keeping the capsules or drops of the stuff on their shelves. Almost overnight, an obscure plant compound became the next big thing in weight loss - and all it took was a few words from Dr. Oz. In a February episode of "The Dr. Oz Show," Mehmet Oz told viewers that raspberry ketones were "the No. 1 miracle in a bottle to burn your fat. " Once Oz calls something a "miracle," it doesn't remain obscure for long.

Randy Jackson is known for providing measured critiques to aspiring singers on Fox's "American Idol," but in his private life, he's had to analyze something entirely different: After a diagnosis of Type 2 diabetes nine years ago, the music industry veteran needed to reevaluate his diet and lifestyle. Jackson went from piling his plates high with fried food and counting riding in a golf cart as exercise to eating veggies with every meal and working out every day. He talked to us about how his diagnosis changed his life and how he hopes to help others.

In an age of long commutes, late sports practices, endless workdays and 24/7 television programming, the image of Mom hanging up her dish towel at 7 p.m. and declaring "the kitchen is closed" seems a quaint relic of an earlier era. It also harks back to a thinner America. And that may be no coincidence. A new study, conducted on mice, hints at an unexpected contributor to the nation's epidemic of obesity - and, if later human studies bear it out, a possible way to have our cake and eat it too, with less risk of weight gain and the diseases that come with it. Just eat your cake - or better yet, an apple - earlier.

In an age of long commutes, late sports practices, endless workdays and 24/7 television programming, the image of Mom hanging up her dish towel at 7 p.m. and declaring "the kitchen is closed" seems a quaint relic of an earlier era. It also harks back to a thinner America. And that may be no coincidence. A new study, conducted on mice, hints at an unexpected contributor to the nation's epidemic of obesity - and, if later human studies bear it out, a possible way to have our cake and eat it too, with less risk of weight gain and the diseases that come with it. Just eat your cake - or better yet, an apple - earlier.

Researchers have some reassuring news for the legions of coffee drinkers who can't get through the day without a latte, cappuccino, iced mocha, double-shot of espresso or a plain old cuppa joe: That coffee habit may help you live longer. A new study that tracked the health and coffee consumption of more than 400,000 older adults for nearly 14 years found that java drinkers were less likely to die during the study than their counterparts who eschewed the brew. In fact, men and women who averaged four or five cups of coffee per day had the lowest risk of death, according to a report in Thursday's edition of the New England Journal of Medicine.

"Oh, you mean the guy with the 70-year-old head and the 20-year-old body-builder body? That picture has got to be Photoshopped." Dr. Jeffry Life smiles when I tell him about the general reaction I get about the famous picture of him with his shirt off, the shot that turned a mild-mannered doctor in his mid-60s into a poster boy for super-fit aging and controversial hormone replacement Appearing in medical-clinic ads in airline magazines and...

Randy Jackson is known for providing measured critiques to aspiring singers on Fox's "American Idol," but in his private life, he's had to analyze something entirely different: After a diagnosis of Type 2 diabetes nine years ago, the music industry veteran needed to reevaluate his diet and lifestyle. Jackson went from piling his plates high with fried food and counting riding in a golf cart as exercise to eating veggies with every meal and working out every day. He talked to us about how his diagnosis changed his life and how he hopes to help others.

Rats fed fructose-laced drinking water for six weeks performed more slowly in a maze-navigating task, UCLA researchers have found. (Read this L.A. Times opinion article .) They think the effect is due to changes in the way the brain responds to insulin as a result of exposure to fructose. “Our study shows that a high fructose diet harms the brain as well as the body,” study senior author and UCLA professor Fernando Gomez-Pinilla said in a release about the finding, which was published in the Journal of Physiology (postdoc Rahul Agrawal was first author)

Montel Williams is not your typical pot-smoking snowboarder. Best known as an Emmy-winning talk show host, the former Marine and decorated naval intelligence officer was also a champion boxer, bodybuilder and power-lifter. In 1999, Williams was diagnosed with multiple sclerosis, and it hit him hard. After a downward slide to rock bottom, Williams decided to get his life back. Were you active in your younger years? I was extremely active. I was a martial artist.

Already, you can feel your stomach stifling a yawn. The reason is you're at a black-tie event, and the salad and entree courses are a bore. As you pick at the wilted lettuce and rubber chicken, you console yourself by thinking of all the calories you've saved. Then, suddenly, the waiter sets before you a sinfully rich chocolate cake layered with raspberry puree, iced with fudge and topped with fresh fruit. Oops . Before you know it, you're abandoning your low-fat, low-cholesterol, low-everything diet and gobbling up every last morsel of that chocolate ganache.

"Mad Men" actress January Jones ate her placenta (to be fair, dried and made into a pill). Alicia Silverstone chews up veggies and deposits them mama-bird-style into her baby son's mouth. And model Gisele Bundchen says her diaper-free son was toilet trained at 6 months. So what do these parents know that your average sleep-deprived parent - who barely has time to shop for food, let alone chew it for their kids - doesn't? Here, experts weigh in on the evidence. Pre-masticating In a breakfast-time video, Silverstone chews up the vegetables in her miso soup.

Montel Williams is not your typical pot-smoking snowboarder. Best known as an Emmy-winning talk show host, the former Marine and decorated naval intelligence officer was also a champion boxer, bodybuilder and power-lifter. In 1999, Williams was diagnosed with multiple sclerosis, and it hit him hard. After a downward slide to rock bottom, Williams decided to get his life back. Were you active in your younger years? I was extremely active. I was a martial artist.

Most of us are too plump and are overly fond of snacks, fast food - and food in general. So why did two lean young women who dine on smoothies and organic fruits and vegetables (how unimpeachable does that sound) seek help cleaning up their act? May Haduong, 33, and Frances Motiwalla, 34, just had this sense they were slaves to each passing fad (greens! organic! flaxseed! gluten-free!) and were building up their eating rules in a haphazard, unscientific way. "We've sort of made it up in our heads," Haduong says: whirring up slurries of kale, beet greens, frozen fruits and celery in the blender in their pint-sized kitchen twice a day (down to once a day when Motiwalla couldn't take it anymore)

In a new study examining diet, physical activity and obesity in prison populations, researchers at the University of Oxford in England have found that in most cases, male prisoners are less likely to be obese than men in the general population. Female prisoners, on the other hand, were more likely to be obese than other women - at least, in the U.S. and Australia. The findings, which were published Thursday in the journal Lancet (subscription required), reflect broader health disparities between advantaged and disadvantaged people, the researchers wrote.  They noted that in 2008, 36 million out of 57 million deaths worldwide resulted from non-communicable diseases such as heart disease, stroke, diabetes, cancer and respiratory disease.

Worried about trans fat or salt? That's a little old-school. If you want to stay current on dietary villains, you'll want to start thinking about sugar. Lots and lots of sugar - as in 77 grams, or nearly 20 teaspoons. That's how much added sugar the average American consumes every day, according to a 2011 scientific report, and that's not even factoring in the sugars naturally found in fruits, vegetables and milk. And yes, we're talking typical people on typical days, not just 10-year-olds gorging on cotton candy and funnel cake at the carnival.

In a finding that strengthens the link between environmental pollutants and rising rates of breast cancer, new research finds that women whose diets contain higher levels of cadmium are at greater risk of developing breast cancer than those who ingest less of the industrial chemical in their food. Cadmium, a heavy metal long identified as a carcinogen, leaches into crops from fertilizers and when rainfall or sewage sludge deposit it onto farmland. Whole grains, potatoes, other vegetables and shellfish are key dietary sources of cadmium, which also becomes airborne as a pollutant when fossil fuels are burned, and is likely inhaled as well as ingested.

What are the advantages and disadvantages of using the supplement nitric oxide? Richard Sunland Nitric oxide is a gas naturally found in the body; its function is conveying information between cells. One of its main jobs is increasing blood flow by dilating blood vessels, and that's why it's sometimes given in supplement form to heart patients, orally and intravenously. In at least one study it's been shown to be effective for lowering blood pressure.

Some good buys for your health and your pocketbook: Buy fresh fruits and vegetables in season. Buy frozen otherwise. Frozen is cheaper and may even be better for you than fresh. That's because produce is usually frozen at its ripest, which is usually when it maxes out in nutrient content too. Some nutrients do break down or leach out in the freezing process, but most make it through.

The diet drug Qnexa has cleared a major hurdle toward eventual Food and Drug Administration approval. An independent panel of medical experts who advise the agency voted Wednesday that Qnexa's significant weight-loss benefit outweighed its potential risks. The hearing was held in Silver Spring, Md. The surprisingly positive 20-2 vote in favor of approval moves the decision on Qnexa into the hands of the FDA, which will issue a final ruling later this year. The agency typically follows the recommendations of an advisory committee but is not bound by it. If approved, as is now expected, Qnexa would be the first prescription diet drug to reach the market since 1999.

Diet drugs have failed to impress government health regulators in recent years with several prospective medications being denied approval and another drug taken off the market. Hopes for the first new diet pill in about 13 years now rest with a meeting Wednesday in Washington, D.C., to discuss Qnexa. An advisory committee reporting to the Food and Drug Administration will, for the second time, hear evidence for or against the approval of Qnexa, which is a combination of two existing drugs -- the anticonvulsant topiramate and the diet drug phentermine -- that promote weight loss.