Better to act young than to look young

[email protected] (New York Times )
October 7, 2013

Young_than_to_look_youngJane E Brody, Oct 7: At a party I recently attended, a woman in her 60s proudly announced that her periodic facial treatments “have made me look 10 years younger.” A man of similar vintage said he was considering “facial tucks” to raise his sagging jowls.

Some days it seems everyone I meet is afraid of getting old - or at least of looking as old as they are. Occasionally, I see women who have had so many face lifts that they can barely move their lips when they talk, let alone smile.

Business is booming in the anti-aging market. Plastic surgeons who specialise in lifts, tucks and fillers barely noticed the recent recession. Cosmetics with anti-ageing properties fly off the shelf, and new concoctions appear almost weekly.

I admit to supporting the multi-billion dollar skin care industry with my long use of night creams, as well as a slew of daytime lotions that purport to “smooth out” aging skin while protecting it with sunscreen. I also colour my hair, which in its natural state is now about 80 per cent gray.

But I draw the line at injectable fillers and muscle relaxants, face lifts and tummy tucks. I’ll do everything I can to stay out of an operating room. My anti-aging measures, if and when they are needed, will be limited to cataract removal, a hearing aid and glasses for driving.

I wear clothes that suit my personality and activities, not necessarily my age. Shorts and tank tops anchor my summer wardrobe. And I wear colours near my face that are right for my skin tone, avoiding those (like yellow) that are unflattering. Still, cosmetic fixes go only so far to counter the effects of time.

True youthfulness - or, I should say, appearing younger than your age - is much more than skin-deep. Research has shown that youthfulness must come from within.

In one study, a team at Case Western Reserve University in Cleveland analyzed the facial photographs of 186 pairs of identical twins, determining which sibling looked older and why. Factors that contributed to looking older included smoking, sun exposure, stress and depression (or the use of antidepressants), the researchers reported. Other studies have linked depression to higher levels of inflammatory markers and oxidative stress, which can accelerate aging.

The team also found that among those younger than 40, a woman with a heavier body looked older than her leaner twin, but in subjects older than 40, a higher body mass index was associated with a more youthful appearance. Fat fills out wrinkles and makes the face - and presumably other parts of the body - look younger. But there’s a limit to its benefits: obesity is associated with more rapid biological aging.

Another study published last year by researchers at Brigham and Women’s Hospital in Boston found a biological link between stress and accelerated aging. Dr. Olivia I. Okereke and colleagues examined the chromosomes of 5,243 women ages 42 to 69 participating in the Nurses’ Health Study. They found that women with phobic anxiety - irrational fears of anything from social situations to spiders - had shorter telomeres on their chromosomes.

Telomeres are DNA-protein complexes on the ends of chromosomes that are considered biological markers of aging. Shortened telomeres are thought to underlie many of the adverse health effects of aging, and perhaps even to contribute to looking older than one’s years.

Lifestyle changes

A pilot study published online by The Lancet Oncology last month underscored the benefits of limiting stress. Dr. Dean Ornish and colleagues at the Preventive Medicine Research Institute and the University of California, San Francisco, tested the effects of lifestyle changes on the length of telomeres.

Ten men were asked to make changes that included adopting a whole-foods plant-based diet, moderate exercise, stress management techniques (like yoga and meditation), and seeking greater intimacy and social support. After five years, changes in the length of their telomeres were compared with those among 25 men who were not asked to make such changes.

In the men who made lifestyle changes, telomere length increased by an average of 10 per cent; the more changes the men made, the greater the increase in length. But telomere length decreased in the control group by an average of 3 per cent.

Still, youthfulness is not just a question of biology. People are perceived to be younger than their years if they smile and laugh a lot (be proud of those laugh lines!) and are generally cheerful and upbeat, the kind of people who smile at strangers and wish them a good day.

I occasionally pass an older couple who walk together three times a week. With their dour expressions and grudging acknowledgment of my “good morning,” I thought they were in their mid-90s. So one day I asked, only to learn that she was 80 and he was 83.

It also helps to pursue personal and professional activities you enjoy as you get older. My role models include the actress Estelle Parsons, who continues to perform on stage (and can do yoga headstands) at 85, and Dame Judi Dench, 78, who stars in movies despite having to learn her lines orally because macular degeneration has caused her vision to deteriorate.

My dear friend Margaret Shryer, 86, starred in a documentary about age discrimination and performed a one-woman show she wrote at a theater festival in Minneapolis this summer. Another friend, the award-winning broadcaster Lucy Jarvis, cane in hand at 96, still travels abroad to make television documentaries.

To my mind, it is far better to act young than to look young. Of course, it helps to be physically fit.

Too often, those who spend liberally to counter the superficial signs of age neglect their bodies below the neck and become physically old before their time. Muscle tissue inevitably declines with age, but much can be done to minimize and even reverse a loss of strength.

Try using free weights or resistance machines. If these don’t appeal, lift cans of soup (better for lifting than consuming) and continue to do chores that require strength, like digging in the garden or carrying groceries.

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Agencies
January 25,2020

Washington D.C., Jan 25: A new study conducted by a team of researchers reveals why individuals who have a history of early life adversity (ELA) are disproportionately prone to opioid addiction.

The study conducted examined how early adversities interact with factors such as increased access to opioids to directly influence brain development and function, causing a higher potential for opioid addiction.

The study was lead by UCI researchers and was published in Molecular Psychiatry.

Tallie Z. Baram, MD, PhD, the Danette Shepard Chair in Neurological Sciences at the UCI School of Medicine and one of the senior researchers for the study, was on the take that the widely known factor genetics that plays major role in addiction vulnerability, cannot be solely held responsible for the recent rise in opioid abuse.

To further clarify, the researchers simulated ELA in rats by limiting bedding and nesting materials during a short, postnatal period of time.

In female rats, this led to striking opioid addiction-like characteristics including an increased relapse- behaviour, for example.

As observed in addicted humans, the rats were willing to work very hard (pay a very high price) to obtain the drug.

Baram said: "Ultimately, we found that conditions during sensitive developmental periods can lead to vulnerability to the addictive effects of opioid drugs, especially in females, which is consistent with the prevalence of ELA in heroin-addicted women."

These findings can be used to highlight the importance given to sex differences in future ELA-related studies on opioid addiction, and in future prevention or intervention strategies being developed to address the growing opioid crisis.

The study conducted examined how early adversities interact with factors such as increased access to opioids to directly influence brain development and function, causing a higher potential for opioid addiction.

The study was lead by UCI researchers and was published in Molecular Psychiatry.

The study found that unpredictable, fragmented early life environments may lead to abnormal maturation of certain brain circuits, which profoundly impacts brain function and persists into adolescence and adulthood.

Tallie Z. Baram, MD, PhD, the Danette Shepard Chair in Neurological Sciences at the UCI School of Medicine and one of the senior researchers for the study, was on the take that the widely known factor genetics that plays major role in addiction vulnerability, cannot be solely held responsible for the recent rise in opioid abuse.

To further clarify, the researchers implanted ELA in rats by limiting bedding and nesting materials during a short, postnatal period of time.

In female rats, this led to striking opioid addiction-like characteristics including an increased relapse- behaviour, for example.

As observed in addicted humans, the rats were willing to work very hard (pay a very high price) to obtain the drug.

Baram said: "Ultimately, we found that conditions during sensitive developmental periods can lead to vulnerability to the addictive effects of opioid drugs, especially in females, which is consistent with the prevalence of ELA in heroin-addicted women."

These findings can be used to highlight the importance given to sex differences in future ELA-related studies on opioid addiction, and in future prevention or intervention strategies being developed to address the growing opioid crisis.

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Agencies
June 27,2020

After admitting that the world may have a COVID-19 vaccine within one year or even a few months earlier, the World Health Organisation (WHO) on Friday said that UK-based AstraZeneca is leading the vaccine race while US-based pharmaceutical major Moderna is not far behind.

WHO Chief Scientist Soumya Swaminathan stated that the AstraZeneca's coronavirus vaccine candidate is the most advanced vaccine currently in terms of development.

"I think AstraZeneca certainly has a more global scope at the moment in terms of where they are doing and planning their vaccine trials," she told the media.

AstraZeneca's Covid-19 vaccine candidate developed by researchers from the Oxford University will likely provide protection against the disease for one year, the British drug maker's CEO told Belgian radio station Bel RTL this month.

The Oxford University last month announced the start of a Phase II/III UK trial of the vaccine, named AZD1222 (formerly known as ChAdOx1 nCoV-19), in about 10,000 adult volunteers. Other late-stage trials are due to begin in a number of countries.

Last week, Swaminathan had said that nearly 2 billion doses of the COVID-19 vaccine would be ready by the end of next year.

Addressing the media from Geneva, she said that "at the moment, we do not have a proven vaccine but if we are lucky, there will be one or two successful candidates before the end of this year" and 2 billion doses by the end of next year.

Scientists predict that the world may have a COVID-19 vaccine within one year or even a few months earlier, said the Director-General of the World Health Organization even as he underlined the importance of global cooperation to develop, manufacture and distribute the vaccines.

However, making the vaccine available and distributing it to all will be a challenge and will require political will, WHO chief Tedros Adhanom Ghebreyesus said on Thursday during a meeting with the European Parliament's Committee for Environment, Public Health and Food Safety.

One option would be to give the vaccine only to those who are most vulnerable to the virus.

There are currently over 100 COVID-19 vaccine candidates in various stages of development.

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Agencies
February 4,2020

Despite tremendous advances in treatment of congenital heart disease (CHD), a new global study shows that the chances for a child to survive a CHD diagnosis is significantly less in low-income countries.

The research revealed that nearly 12 million people are currently living with CHD globally, 18.7 per cent more than in 1990.

The findings, published in The Lancet, is drawn from the first comprehensive study of congenital heart disease across 195 countries, prepared using data from the Global Burden of Diseases, Injuries and Risk Factors Study 2017 (GBD).

"Previous congenital heart estimates came from few data sources, were geographically narrow and did not evaluate CHD throughout the life course," said the study authors from Children's National Hospital in the US.

This is the first time the GBD study data was used along with all available data sources and previous publications - making it the most comprehensive study on the congenital heart disease burden to date.

The study found a 34.5 per cent decline in deaths from congenital disease between 1990 to 2017. Nearly 70 per cent of deaths caused by CHD in 2017 (180,624) were in infants less than one year old.

Most CHD deaths occurred in countries within the low and low-middle socio-demographic index (SDI) quintiles.

Mortality rates get lower as a country's Socio-demographic Index (SDI) rises, the study said.

According to the researchers, birth prevalence of CHD was not related to a country's socio-demographic status, but overall prevalence was much lower in the poorest countries of the world.

This is because children in these countries do not have access to life saving surgical services, they added.

"In high income countries like the United States, we diagnose some heart conditions prenatally during the 20-week ultrasound," said Gerard Martin from Children's National Hospital who contributed to the study.

"For children born in middle- and low-income countries, these data draw stark attention to what we as cardiologists already knew from our own work in these countries -- the lack of diagnostic and treatment tools leads to lower survival rates for children born with CHD," said researcher Craig Sable.

"The UN has prioritised reduction of premature deaths from heart disease, but to meet the target of 'ending preventable deaths of newborns and children under 5 years of age,' health policy makers will need to develop specific accountability measures that address barriers and improve access to care and treatment," the authors wrote.

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