August 22, 2011

May Lead to Cognitive Decline

1 Excess Salt, Lack of Exercise Bad for Seniors

High salt diets and a lack of exercise may lead to cognitive decline in older adults, says a Canadian study. Researchers who followed the sodium consumption and physical activity levels of 1262 healthy seniors, ages 67-84, for three years recommend a change in lifestyle. "The results of our study showed that a diet high in sodium, combined with little exercise was especially detrimental to the cognitive performance of older adults," says lead investigator Dr. Alexandra Fiocco. "But the good news is that sedentary older adults showed no cognitive decline over the three years that we followed them if they had low sodium intake." Adopting a healthy diet is a way to give people some control over how their brain health will hold up in later years, says researcher Dr. Carol Greenwood.

More at Eurekalert.org | Posted 6 years ago by Melody Lesser

Previously: Extra Salt, Low Potassium Increases Death

Tags: Older Adults, High Sodium Diet, Lack of Exercise, Cognitive Decline in Older Adults, Dr. Alexandra Fiocco, Dr. Carol Greenwood

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

Men Gain More After Divorce

2 How Marriage, Divorce Affect Weight Gain

While marriage and divorce lead to weight gain among couples, each event affects the sexes differently with men gaining more weight after divorce and women putting on more pounds after marriage. CNN reports that the research from Ohio State University began in 1979 and included more than 10,000 men and women. Two years after divorce, men and women were heavier compared with couples who stayed married, but men had larger weight gains. Researchers also found that both men and women gained weight after marriage, but women tended to gain more weight than men. Researchers suggest that men gain weight after divorce since their wives aren't there to help them maintain a healthy lifestyle, while women gain more weight after marriage due to the stresses of child bearing and maintaining a household.

More at CNN | Posted 6 years ago by Peggy Rowland

Tags: Weight Gain for Women, Weight Gain After Divorce, Men Gain More Weight After Divorce, Women Gain More Weight After Marriage, Weight Gain After Wedding

Comment on This | Was this Interesting? Yes! (55%) / No! (45%)

Man's Best Friend

3 Dogs Detect Lung Cancer by Sniffing Breath

In a breakthrough study, German researchers have discovered that dogs can accurately detect the early presence of lung cancer by sniffing a patient’s breath. A team led by Thorsten Walles from Schillerhoehe Hospital worked with 220 volunteers with lung cancer, chronic obstructive pulmonary disease (COPD) and healthy controls. Dogs that were specially trained to identify volatile organic compounds (VOCs) that are linked to the presence of cancer sniffed breath samples by all patients. The dogs successfully identified 71 out of a possible 100. Although the researchers say the study is a big step in the early detection of lung cancer, it would be hard to put into clinical practice at this time until specific VOCs are identified.

More at Science Daily | Hat tip to PopSci | Posted 6 years ago by Denise Reynolds

Previously: Dogs Can Smell Prostate Cancer

Tags: Cancer, COPD, Dogs, Lung Cancer, Breath Samples

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

BRCA Mutations Not Required

4 New Drug Works Against More Ovarian Cancers

A phase II trial conducted in Canada has found that the experimental drug olaparib also works against sporadic ovarian cancer, not just cases due to mutated BRCA1 or BRCA2 genes. The drug inhibits poly ADP ribose polymerase (PARP), a protein that repairs DNA along with BRCA proteins but takes over in BRCA-defective cancer cells which allows them to survive. Inhibiting PARP leads to such widespread DNA damage that the cancer cells die. The trial involving 65 ovarian cancer patients who took 400 milligrams of olaparib two times a day for a month found that 41 percent of women with BRCA mutations saw their tumors shrink as did 24 percent without it. Mild side effects were observed but researchers are very excited about being able to offer this treatment to more women with the disease.

More at Yahoo! HealthDay | Posted 6 years ago by Kristie Hayes

Previously: More Genes Linked to Breast and Ovarian Cancer

Tags: BRCA1, BRCA2, Ovarian Cancer, Olaparib, BRCA Mutations, Poly ADP Ribose Polymerase, PARP, Olaparib Treats Ovarian Cancers with and without BRCA Mutations

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

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