Category: Research (Page 64 of 93)

Volatile Food Prices Are In Our Future

It is no surprise to many around the world that raising food prices are on the horizon.

Social unrest instigated by rising food costs is predicted to continue all over the world.

“Food price volatility featuring high prices is likely to continue and possibly increase,” the Food and Agriculture Organization, the World Food Program and the International Fund for Agricultural Development said in the joint report.

“Demand from consumers in rapidly growing economies will increase, population continues to grow, and further growth in biofuels (displacing food crops) will place additional demands on the food system.”

The report said that poor farmers and consumers in small importer countries, particularly in Africa, would be more vulnerable to shortages as a result.

Studies Find that Vitamins Can Do More Harm Than Good

Evidence against vitamin use is mounting.

Especially with vitamin E and Selenium therapies which are targeted to specific conditions such as prostate cancer.

The Selenium and Vitamin E Cancer Prevention Trial, known as the Select trial, was studying whether selenium and vitamin E, either alone or in combination, could lower a man’s risk for prostate cancer. It was stopped early in 2008 after a review of the data showed no benefit, although there was a suggestion of increased risk of prostate cancer and diabetes that wasn’t statistically significant. The latest data, based on longer-term follow-up of the men in the trial, found that users of vitamin E had a 17 percent higher risk of prostate cancer compared with men who didn’t take the vitamin, a level that was statistically significant. There was no increased risk of diabetes.

In regard to women’s health not only were vitamins not successful in preventing disease but were found to be harmful, in some cases.

Among the women in the Iowa study, about 63 percent used supplements at the start of the study, but that number had grown to 85 percent by 2004. Use of multivitamins, vitamin B6, folic acid, iron, magnesium, zinc and copper were all associated with increased risk of death. The findings translate to a 2.4 percent increase in absolute risk for multivitamin users, a 4 percent increase associated with vitamin B6, a 5.9 percent increase for folic acid, and increases of 3 to 4 percent in risk for those taking supplements of iron, folic acid, magnesium and zinc.

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The Best Packaged Foods for Nutrition and Taste

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Although packaged food is not the first choice for a healthy meal, sometime it is the only alternative.

Prepared foods have come a long way from the sodium filled T.V. dinners and nutritionally void canned foods of days gone by.

Many are organic, healthy, environmentally friendly and lacking in preservatives and sugars which generally make prepared foods unhealthy and fattening.

Whether balancing busy schedules or leaving the cooking up to the kids a packaged meal fills the bill on occasion.

Finding the healthiest options and stocking up on the best prepared meals can make your life a little easier.

Higher Testosterone Protects Older Men’s Hearts

Naturally occurring high testosterone can protect the heart of older men.

Findings published in the Journal of the American College of Cardiology showed that of 2,400 Swedish men in their 70s and 80s, those with the highest testosterone levels were less likely to suffer a heart attack or stroke over the next several years than men with the lowest levels

Low testosterone may be a marker of other health conditions that put men at higher risk of cardiovascular disease.

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Healthy Foods That Affect Your Mood

Healthy foods that affect your mood are the first step toward wellness.

Why turn to prescription drugs when your mental health could be improved with a trip to the grocery store?

Caffeine

The effects of caffeine on a person’s mood are well-known and backed up by lots of scientific evidence. Its presence in the body helps produce serotonin which is the chemical that is associated with those who are generally happy.
For those suffering from depression, often a lack of serotoninis to blame. In fact, a recent study was released which showed that women who drink coffee daily are at a lower risk of suffering from depression than their caffeine – free peers. Of course, the use of caffeine should be moderated as it does also have well-known unpleasant effects like insomnia and anxiety, but there is no reason that a person should not be able to drink a couple of cups of coffee a day.

Carbohydrates

Carbohydrates, when ingested in small amounts throughout the day, have been shown to improve a person’s mood. The key is moderation and maintaining a balance of insulin in the bloodstream. Big swings in sugar levels have a way of causing big swings in mood.

Tryptophan

The amino acid tryptophan, commonly associated with turkey, is believed by many people to be a kind of sedative. It is also somewhat controversial. While some nutritionists believe that the sleepiness after a thanksgiving meal would occur after any large meal with or without turkey, others continue to believe that tryptophan helps blood sugar to get to neurotransmitters, which in turn affects mood. A diet rich in tryptophan may have an effect on serotonin production in a person’s brain.

Omega-3 fatty acids

Eating foods rich in omega-3 fatty acids can help with a person’s mood as these fatty acids aid in brain function in those areas of the brain that are concerned with mood and behavior. These fatty acids are found in fish oil and can be taken either in pill form or by increasing the amount of fish in the diet. One study of people with bipolar disorder showed considerable improvement in mood among participants taking fish oil supplements when compared those taking a placebo.

Folic acid

It is thought that a deficiency folic acid, which is found in fruits and certain leafy vegetables, is thought to have an effect on mood, possibly causing depression. Foods such as spinach and legumes are rich sources of the chemical, so a person who is depressed may want to try increasing the amount of these things in their diet.

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