April 10, 2011

Vegans May Face More Heart Risk

1 Vegetarians Need More Vitamin B12, Fatty Acids

Some vegetarians may have nutritional deficiencies in vitamin B12 and omega-3 fatty acids, suggests researcher Duo Li from Zhejiang University in China. Li believes that the nutritional deficiencies could put vegetarians at greater risk for blood clots and heart problems, including hardening of the arteries. The research, published in Journal of Agricultural and Food Chemistry, found that the deficiencies are especially evident in vegans, people who don't consume any animal products, including milk or eggs. WebMD reports that some nutrition experts say that vegetarians are already aware of the need to closely monitor intake of vitamin B12 and omega-3s, and the increased risk to heart health is just a hypothesis.

More at WebMD | Posted 7 years ago by Peggy Rowland

Previously: Prenatal Vitamins Affect Kids Educational Future

Tags: Heart Healthy Diet, Journal of Agricultural and Food Chemistry, Omega-3 Fatty Acids, Vegetarian Diets, Zhejiang University, Deficiency in B12, Vegetarians More Vitamins, Increased Risk of Blood Clots

Comment on This | Was this Interesting? Yes! (54%) / No! (46%)

Knoxville Tops List Again

2 Spring is Rough for Allergy Sufferers in South

For the second consecutive year, Knoxville, Tenn., has topped the Allergy and Asthma Foundation of America's list of the worst places to live for spring allergies. Knoxville had higher-than-average pollen counts plus higher-than-average allergy medications per patient. The number of available allergy specialists per patient is another factor used in the rankings. Southern states tend to be the most challenging places for seasonal allergy sufferers. WebMD reports that other top places where seasonal allergy sufferers may be miserable include Louisville, Ky.; Charlotte, N.C.; Jackson, Miss.; and Chattanooga, Tenn.

More at WebMD | Posted 7 years ago by Peggy Rowland

Tags: Worst Cities for Seasonal Allergies, Southeast Allergies, Knoxville Bad for Allergies, Worst Places to Live for Allergies, Allergy and Asthma Foundation of America, Higher Than Average Pollen Counts

Comment on This | Was this Interesting? Yes! (48%) / No! (52%)

Super Fruit to Prevent Obesity

3 Blueberries May Inhibit Fat Cell Development

Researchers from the Texas Woman’s University in Denton have found that blueberries, which have a high level of polyphenols, may be able to help fight adipogenesis – the development of fat cells. The study, performed in tissue cultures taken from mice, showed a dose-dependent relationship between the amount of polyphenols and suppression of adipocytes. The highest doses of blueberry yielded a 73 percent decrease in lipids while the lowest dose showed a 27 percent decrease. Study author and graduate student Shiwani Moghe MS says that the association between blueberry and a reduction in fat storage still needs to be tested in humans, but previous studies on the fruit have shown cardio-protective benefits, including a decrease in heart disease and metabolic syndrome.

More at Science Daily | Posted 7 years ago by Denise Reynolds

Previously: Black Rice Is a Healthy Alternative to Blueberries

Tags: Blueberries, Fruit, Heart Disease, Obesity, Polyphenols, Blueberry

Comment on This | Was this Interesting? Yes! (49%) / No! (51%)

Muscle Strength Too

4 Green Tea, Tai Chi Combo Supports Bone Health

Green tea polyphenols (GTP) have been associated in studies to have a positive effect on the cardiovascular system, possibly due to the compounds’ ability to reduce chronic levels of inflammation. A researcher from the Laura W. Bush Institute for Women’s Health at the Texas Tech University Health Sciences Center has found that green tea may also work synergistically with tai chi to enhance bone strength, thus preventing the onset of osteoporosis. Dr. Chwan-Li Shen studied 171 postmenopausal women with weak bones but not diagnosed with full-fledged osteoporosis. Those who consumed GTP at a level equivalent to 4-6 cups of steeped green tea daily and participated in tai chi showed enhanced markers of bone health by 3 and 6 months. The women also had increased muscle strength at 6 months.

More at Science Daily | Posted 7 years ago by Denise Reynolds

Previously: Green Tea May Offer Protection from Alzheimer's, Tai Chi, Qigong Provide Many Health Benefits

Tags: Bone Health, Green Tea, Osteoporosis, Tai Chi, Green Tea Polyphenols

Comment on This | Was this Interesting? Yes! (49%) / No! (51%)

The Key to the Lymphatic System

5 How Cancer Metastasizes Better Understood

Researchers at Saint Louis University have determined how cancer cells utilize the lymphatic system which consists of vessels and lymph nodes that drain fluid from surrounding tissues to metastasize. White blood cells also use it to get where they need to be to fight infections. This study shows that many types of cancer cells use certain molecules known as CRSBP-1 ligands get into the lymphatic system. The ligands, growth factors and cytokines, bind to CRSBP-1 receptors on the surface of lymphatic vessels and act like a key to let the cells in. This discovery has implications not only for treating cancer but it also for treating edema which occurs when the system fails to drain fluid from tissues and developing vaccines that elicit a stronger immune response against pathogens.

More at Science Daily | Posted 7 years ago by Kristie Hayes

Previously: New Lymph Node Removal Advice for Breast Cancer

Tags: Cancer, Edema, Metastasis, Saint Louis University, Lymphatic System, Lymph Nodes, Lymphatic Vessels, Developing More Effective Vaccines, CRSBP-1 Ligands, CRSBP-1 Receptors

Comment on This | Was this Interesting? Yes! (56%) / No! (44%)

Connect the Neurons

6 Brain's Functions and Connections Being Mapped

Scientists in London are working on a computer model of the brain by developing a technique where they can decipher both the neurons’ functions and their connection to other neurons via synapses. Using the visual cortex of the mouse brain, researchers first determined which neurons responded to certain stimuli. Then they applied small currents to groups of neurons to observe the responses of other neurons and figure out if they were connected by synapses. Once they figure out their function and connection to other neurons, they drew a wiring diagram of the visual cortex. They plan to do this with parts of the brain linked to other senses and hope to eventually map the whole brain so science can better understand diseases of the brain.

More at Yahoo! Reuters | Posted 7 years ago by Kristie Hayes

Previously: Defective Proteins Linked to Brain Diseases

Tags: Brain, Neurons, Synapses, Mapping the Brain, Visual Cortex

Comment on This | Was this Interesting? Yes! (39%) / No! (61%)

"Health Halo" Affects Perception

7 People Think Foods Labeled "Organic" Taste Better

A study involving 144 people who rated the taste, fat content and other properties of plain yogurt, chocolate sandwich cookies, and potato chips labeled either "regular" or "organic" on a scale of 1 to 9. They also guessed how many calories per item and told researchers how much they would pay for them. It was found that almost all the participants believe the "organic" food tasted better, was lower in fat and calories, higher in fiber content and worth more. But participants were unaware that all of the food was organic. Study author Jenny Wan-chen Lee says that these results support the concept of the "halo effect," more specifically "health halo" in this study, or the perception that the "organic" label means nutritious which convinces people the food tastes better.

More at Yahoo! HealthDay | Posted 7 years ago by Kristie Hayes

Previously: Organic Milk Really Is Better for You

Tags: Organic, Organic Label, Halo Effect, Health Halo, Organic Food Tastes Better

Comment on This | Was this Interesting? Yes! (44%) / No! (56%)

No Other NSAIDs Have This Effect

8 Aspirin Linked to Lower Risk of Pancreatic Cancer

Preliminary results from a study involving 1,224 healthy individuals 55 and older suggest that aspirin may lower the risk of developing pancreatic cancer. A daily dose decreased the risk by 26 percent and the dose taken by many to lower their risk of heart disease lowers the risk even further to 35 percent compared to those who did not take it that often. Acetaminophen and non-aspirin non-steroidal anti-inflammatory drugs did not confer the same benefits. This does support the idea that aspirin could be used as chemoprevention against pancreatic cancer but researchers want to emphasize these results are preliminary and aspirin can have side effects so people need to talk to their doctors about the potential benefits of taking aspirin regularly.

More at Science Daily | Posted 7 years ago by Kristie Hayes

Previously: The 10 Most Deadly Cancers

Tags: Aspirin, Pancreatic Cancer, Preventing Pancreatic Cancer, Non-Aspirin Non-Steroidal Anti-Inflammatory Drugs, Aspirin’s

Comment on This | Was this Interesting? Yes! (51%) / No! (49%)

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