August 26, 2010

Staves off Symptoms of Aging

1 Walking Boosts Brain Function

Moderate exercise has been shown to boost brain function and combat declines associated with aging finds a study published in Frontiers in Aging Neuroscience. Researchers enlisted a group of 65 sedentary participants, ages 59 to 80, who then joined either a walking, stretching or toning group. At the end of a year, researchers measured the participants’ brain activity and found that those in the walking group had the highest “connectivity” in certain areas of their brain circuitry, particularly those dealing with cognition. This was not found in those who joined the stretching or toning groups. Researchers indicate that walking at a moderate pace for as little as 40 minutes three times per week is enough to enhance brain connectivity and cognition.

More at Eurekalert.org | Posted 7 years ago by Melody Lesser

Tags: Aging, Brain Function, Cognition, Cognitive Decline, Exercise, Exercise for Elderly, Walking, Frontiers in Aging Neuroscience

Comment on This | Was this Interesting? Yes! (43%) / No! (57%)

Too Many Needed Revision

2 DePuy Hip Implants Recalled

DePuy Orthopaedics, a unit of Johnson and Johnson, recalled two hip aid systems today, reports CNN. The global recall of 93,000 systems comes after the discovery that more patients than had been expected suffered pain or ending up needing additional surgery. The ASR XL Acetabular System and the ASR Hip Resurfacing System were part of the recall. The systems were discontinued in late 2009, but recent data has shown an increase in the number of required second hip replacement surgeries, known as revision surgeries. After five years, one in eight patients who received either recalled system needed a second surgery. Patients complained of having trouble walking, pain and swelling. DePuy is covering additional surgery costs associated with the recall of the ASR systems.

More at CNN | Posted 7 years ago by Peggy Rowland

Tags: ASR XL Acetabular System, DePuy, ASR Hip Resurfacing System, ASR Recall, Hip Implant Recall, Second Hip Replacement Surgery, Revision Surgery, Johnson and Johnson Hip Implant Recall

Comment on This | Was this Interesting? Yes! (43%) / No! (57%)

A Good Reason to Breastfeed

3 Moms Who Don't Breastfeed in Danger of Diabetes

Moms who didn't breastfeed experienced significantly higher rates of type 2 diabetes compared to mothers who did breastfeed their kids, say researchers from the University of Pittsburgh. The research, published in the American Journal of Medicine, revealed that mothers in the study who didn't breastfeed were nearly twice as likely to develop type 2 diabetes as females who breastfed or never gave birth. "Our study provides another good reason to encourage women to breastfeed their infants, at least for the infant's first month of life," comments Dr. Eleanor Bimla Schwarz of the university. The study of 2,233 women found that the long-term differences in diabetes rates remained notable even when considering other factors like race, age, alcohol use, physical activity and tobacco use.

More at EureakAlert | Posted 7 years ago by Peggy Rowland

Tags: Diabetes Risk, Type 2 Diabetes Risk, Breastfeeding Benefits to Mother, Reasons to Breastfeed, University of Pittsburgh, Type 2 Diabetes Study, American Journal of Medicine, Eleanor Bimla Schwarz

Comment on This | Was this Interesting? Yes! (47%) / No! (53%)

603 Pound Lady Goes to Doc

4 Heaviest Woman in Thailand Leaves Home

With the assistance of Bangkok city hall and a forklift, 40-year-old Umnuayporn Tongprapai recently left her third-floor apartment for the first time in three years, reports MSNBC. The 603-pound woman is believed to be the heaviest woman in Thailand. Tongprapai's neighbors contacted the Bangkok Metropolitan Authority after learning that the woman needed to have a tumor removed from her right leg. Governor Sukhumbhand Paribatra coordinated camera crews to document Tongprapai's outing, which required the help of rescue workers, engineers, demolition crews, doctors and nurses. The woman, who runs a laundry service with the help of two sons, has said that with assistance, she can walk enough to go the bathroom.

More at MSNBC | Posted 7 years ago by Peggy Rowland

Tags: Obesity Risk Factors, Most Obese in Thailand, Too Heavy to Walk, Bangkok Metropolitan Authority, Umnuayporn Tongprapai, Heaviest Woman in Thailand, Sukhumbhand Paribatra

Read the Comments (1) | Was this Interesting? Yes! (48%) / No! (52%)

One Wild New Year's Eve

5 Man Doesn't Feel Bullet in Head for Four Years

Robert Chojecki walked around for five years with a bullet in his head, reports Yahoo News. The 35-year-old man was celebrating New Year's Eve five years ago in Herne, a German town, when he was apparently struck by a .22-caliber bullet. At the time, the man thought he was hit by fireworks. He forgot about the incident, until four years later when he began experiencing headaches. While Chojecki had suspected that something was up, he only went to the doctor after the headaches started bothering him. This week, doctors removed the bullet that was lodged between Chojecki's skin and skull. According to doctors, the Polish-born man should have no further problems from the injury.

More at Yahoo! News | Posted 7 years ago by Peggy Rowland

Tags: Bullet in Head, Man Walks Around with Bullet, Bullet for Five Years, GerMan Man Has Bullet in Head for Five Years, Robert Chojecki, Headache M froM Bullet, Herne, Signs of Bullet Wound, Bullet X-Ray, .22-Caliber Bullet

Comment on This | Was this Interesting? Yes! (50%) / No! (50%)

Blood Sugar and Brain Plaques

6 Insulin Resistance May Increase Brain Plaque Risk

A study in Japan that looked at blood sugar levels in 135 people for 10-15 years found that abnormal levels increased their risk of developing plaques in their brains, a hallmark of Alzheimer’s. After the individuals died, their brains were examined and it was found that 72 percent of those who were insulin resistance had plaques in their brain compared to 62 percent with no signs of insulin resistance. It is not conclusive that insulin resistance caused the plaques to develop but study author Kensuke Sasaki said, "Type 2 diabetes and Alzheimer's disease are two epidemics growing at alarming levels around the world," and wants to conduct further studies to determine if there is a cause and effect relationship between the two diseases.

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

Previously: Insulin Resistant? Cut Carbs to Lose Weight

Tags: Alzheimer’s, Dementia, Insulin Resistance, Type 2 Diabetes, Blood Sugar Levels, Brian Plaques

Comment on This | Was this Interesting? Yes! (47%) / No! (53%)

From One Organ to Another

7 Liver Cells Created from Skin Stem Cells

Scientists in Britain were able to grow liver cells from human skin stem cells, which could lead to transplanting healthy cells into livers damaged from diseases such as cirrhosis and cancer. Skin biopsies were obtained from seven patients with hereditary liver diseases and from three healthy patients and “reprogrammed” to become stem cells so they could be manipulated to become any cell in the body. Scientists were able to mimic many different liver diseases to observe the disease process on a cellular level and to determine how effective new therapies would be. The goal would be very targeted and personal treatments in which healthy liver cells are placed in a damaged liver. With the shortage of donor organs, this model may also be used to repair other organs if successful.

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

Previously: Adult Stem Cells Provide Many Therapies

Tags: Stem Cells, Skin Stem Cells, Liver Tissue, Liver Diseases, Organ Transplants

Read the Comments (1) | Was this Interesting? Yes! (46%) / No! (54%)

Transplant Directs Cells to Grow

8 Bioartificial Cornea Restores Sight in Small Study

Ten people in Sweden who received a bioartificial cornea were able to regrow their own corneal cells and restore their vision. Corneas are naturally made of collagen, so researchers grew it in yeast and molded it into a lens shape so it would act as a scaffolding. The damaged layer was removed and the bioartificial one implanted. Not only did a line of healthy corneal cells grew in the implanted collagen, but corneal nerves regrew and tear production went back to normal in these individuals. No one rejected the transplant. Patients were followed for two years and six had improved vision with eyeglasses and two were stable. One challenge for future research is to address the 90 percent of corneal problems that are full thickness and not just in the upper layer as they were in this study.

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

Previously: Stem Cells Reverse Blindness Due to Chemical Burns

Tags: Cornea, Biosynthetic Cornea, Bioartifical Cornea, Corneal Transplant

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

Blocks Protein That Fuels Growth

9 Drug Shrinks Tumors in Metastatic Melanoma

An experimental drug that that works by inhibiting a mutated gene that promotes the growth of melanoma was able to shrink tumors in 80 percent of the 32 patients with advanced melanoma in a phase II study. The new drug, PLX4032 blocks a protein called BRAF that is mutated in about 50 percent of people with melanoma. The mutated protein feeds tumors, allowing them to grow. Two people had their tumors completely disagree and the drug was able to shrink tumors in several parts of the body with minor side effects. Resistance does occur and future research is going to look at combining other drugs with PLX4032 to lengthen its effectiveness against tumors. Although melanoma is very treatable when caught early, there are not a lot of treatment options for metastatic melanoma.

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

Previously: Tanning Beds Triple Cancer Risk

Tags: Melanoma, Metastatic Melanoma, PLX4032, BRAF Protein

Comment on This | Was this Interesting? Yes! (41%) / No! (59%)

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