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You are here: Home / Archives for aging

Walnuts Could Help Women Achieve Higher Mobility in Old Age

June 29, 2016 By Amanda Lane Leave a Comment

Walnuts on a surfaceA recent study suggests that women who eat six walnuts every week can preserve their mobility in the golden years. Researchers found that women who consumed walnuts on a regular basis were more active later in life than women who stayed away from the nutritious food.

Study authors based their conclusions on the data on 50,000 nurses who were monitored for three decades during a national survey. According to the findings, nurses who ate walnuts once or twice every week were less likely to need elderly care.

Study participants provided data on their dietary habits and their ability to perform daily chores and tasks such as transporting groceries. Yet, the researchers acknowledged that the findings may not apply to men as well.

Plus, scientists found only a significant link between weekly intake of walnuts and higher mobility in old age, not a cause-and-effect relationship.

Dr. Francine Grodstein of the Harvard Medical School and co-author of the study believes that the recent findings underscore the importance of a healthy diet in women’s lives as they age. Dr. Grodstein called for more research to better understand how diet and lifestyle choices can help women stay fit and healthy later on.

Walnuts are so beneficial due to their content rich in antioxidants. About six walnuts contain twice as much beneficial antioxidants as any other types of nut. Furthermore, walnuts contain plenty of protective unsaturated fats.

As a result, walnuts prevent weight gain, maintain a healthy cardiovascular system, stave off cancer and cellular damage associated with the aging process. The nuts’ antioxidants also keep the body young for longer and prevent premature aging.

Also, the Omega-3 fatty acids in walnuts are crucial for a healthy body at any age. Experts have long given walnuts the status of a superfood that should not miss from anyone’s diet especially children.

Other superfoods that can delay the aging process are blueberries due to their high amounts of antioxidants which prevent cellular damage. Blueberries can also fend off or keep in check diabetes and boost memory in the elderly.

Leafy greens such as spinach and kale shield the skin against photo damage and prevent premature wrinkles from emerging. Another superfood for a wrinkle-free face is the cucumber for its high content in silica which boosts collagen levels.

The study was published recently in the Journal of Nutrition.

Image Source: Pixabay

Filed Under: Health Tagged With: aging, anti-aging, antioxidants, diet, healthy diet, superfoods, walnuts

Researchers Have Pinpointed Gene Responsible for Graying

March 7, 2016 By Dean Lamori Leave a Comment

"Gray Haired Lady"

Scientists have identified a gene tied to gray hair.

According to a recent study, premature graying is not tied only to a stressful lifestyle. There is also a genetic culprit for gray hair, which scientists have recently identified.

The study, which was recently published in the journal Nature Communications, shows that a gene called IRF4 plays a significant part in graying. Researchers at the University College London now hope that their finding may spark new research on how to delay the natural sign of aging.

The research involved about 6,600 participants from the U.S., Europe, and Africa. Volunteers agreed to provide genetic samples for the new research. Study authors said that they needed a diverse genetic background to make sure that study results were accurate.

Study authors explained that hair color is due to pigments released by the melanocytes within hair follicles. But as we grow older, melanocytes’ natural production of pigments is reduced, so the hair becomes gray. Past studies had shown that various processes may play a role in graying beside age. But some researchers have long suspected that the genes may have also something to do with it.

Dr. Kaustubh Adhikari, the lead author of the latest study, explained that the recent finding may help science solve the mystery. Researchers found the IRF4 gene on chromosome six. Yet, they suspect that more genes may be associated with graying.

Researchers noted that IRF4 is a “juicy” starting point for further investigation into the issue. Previous research has pinpointed genes that are responsible for natural hair color and balding. Still, never before had scientists spotted a gene linked to gray hair in humans.

The research team also detected the genes responsible for unibrows and bushy eyebrows. Plus, they noticed that whites tend to go gray sooner than Asians and Africans. Whites usually see their first gray hairs in their mid-thirties.

In some cases, graying can happen much sooner, like in the mid 20s. The rare process is called premature graying. Science has yet to find the exact cause of the phenomenon, but they suspect genes may also play a role. Scientists have explained that premature graying is not linked to premature aging. So, don’t expect body functions to decline faster if you happen to go gray before time.

Still, scientists at the University College London underscored that the newly identified genes are unlikely to be the sole culprits for graying, monobrows, and eyebrow thickness. The team expects to identify more factors responsible for the traits. And when that happens expect a new era of beauty products and treatments to emerge.

Image Source: Wikimedia

Filed Under: Health, Nature Tagged With: aging, antiaging, genetic causes for graying, graying, IRF4 gene, premature graying

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