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Wednesday, July 3, 2024

Our Favorite Nutrition Takeaways from 2024, So Far - The New York Times

If you’re looking to freshen up your food habits, summer is the season to do it. Farmers’ markets are overflowing. Backyard grills are firing. Picnic blankets are unfurling. And school pickups have slowed to a halt, giving us more time to cook and enjoy relaxed outdoor meals with friends.

Whatever your food goals, you’re bound to find at least a few morsels of wisdom in some of our favorite nutrition articles of 2024 — whether it’s learning to take the latest TikTok health hack with a grain of salt, or actually cutting back on salt.

Here are 10 important nutrition takeaways from the year, so far.

1. A Mediterranean eating pattern may be worth a try.

There’s a reason the Mediterranean diet is so beloved by nutrition experts: Decades of research have linked it to various health benefits, including reduced risks of cardiovascular disease, Type 2 diabetes, cognitive decline and certain types of cancer. And best of all, it’s not a “diet” in the colloquial sense: There’s no counting calories or cutting out foods.

If you’re interested in adopting this way of eating — which focuses on whole grains, fruits and vegetables, legumes, nuts and seeds, and healthy fatscheck out the guide we created with our colleagues at NYT Cooking.

2. A glass of wine a day will not keep the doctor away.

A few decades ago, it was commonly understood that a daily glass or two of red wine was good for your heart. It was an appealing idea that was backed by research at the time. But the science has since changed, experts say, and the latest evidence suggests that the risks of drinking alcohol — including red wine — outweigh any potential benefits.

3. Avocados really are that good for you.

Whether they’re rounding out a grain bowl or elevating a salad, avocados are a nutritional powerhouse. They’re rich in heart-healthy fats and fiber, as well as vitamin E (essential for healthy skin) and potassium (helpful for managing blood pressure). If you haven’t already considered incorporating avocados into your meal rotation, what are you waiting for?

4. Don’t fall for the myth that you should delay your morning caffeine.

Some online influencers claim that avoiding caffeine for the first hour or two of the day will help you wake up more naturally and thwart an afternoon energy slump. But experts say that the science to support this strategy is thin. And for people in certain professions, delaying your morning caffeine could even come with some risks.

5. Americans love shrimp — but it’s not easy to find the healthiest, most sustainable crustaceans.

Nutritionally speaking, shrimp is not a bad choice: It’s high in protein, calcium and vitamin B12, and low in unhealthy saturated fats. But both farmed and wild-caught versions can come with environmental and humans rights baggage, and some imported prawns have been found to contain unlawful substances, like banned antibiotics and unlabeled preservatives. How can you find the best shrimp for you and the environment? We have guidance.

6. You’ll probably benefit from scaling back on sodium.

In recent decades, researchers have debated how much sodium is really too much, with some suggesting that the federal guidelines may be too strict.

But the latest science has made it clear: Most people in the United States consume far more sodium than is recommended. And keeping an eye on your consumption — aiming for no more than 2,300 milligrams per day — is worthwhile, especially if you have high blood pressure or you’re worried about heart disease. (Think you can spot the saltiest foods? Take our quiz.)

7. Apple cider vinegar isn’t a cure-all, but it may have some surprising benefits.

Scroll through social media and you’ll find a laundry list of health woes that apple cider vinegar supposedly treats. Some online proponents claim it can settle your stomach, lower blood sugar, clear acne, help you lose weight and more. While most of these ideas have no science to back them, some studies suggest that there may be certain benefits to consuming this pungent kitchen staple.

8. When treating I.B.S., your diet may be just as important as medication.

Irritable bowel syndrome is a common and debilitating condition, with telltale signs like abdominal pain, bloating, diarrhea and constipation. One gold standard treatment is the low-FODMAP diet. That involves avoiding foods like wheat-based products, legumes, some nuts, certain sweeteners, most dairy products and many fruits and vegetables, at least temporarily.

But according to a recent study, following a low-carbohydrate diet may work just as well. And both this and the low-FODMAP diet may be more effective than medications alone.

9. You don’t need to chug a gallon of water a day to stay hydrated.

Giant Stanley tumblers have become hot fashion accessories, but it’s not necessary to guzzle water all day, experts say. How much water you need will depend on how active you are, how hot it is, your age and more. How can you tell if you’re drinking enough? Here’s what experts told us.

10. The evidence against ultraprocessed foods is mounting.

You’ve probably seen the headlines: Consuming too many ultraprocessed foods — like sugary sodas, processed meats, salty snacks and frozen meals — can increase the risk of health conditions like heart disease, Type 2 diabetes, obesity and certain gastrointestinal diseases.

Experts are still trying to understand how, or even if, ultraprocessed foods directly cause poor health. But in the meantime, it’s best to cut back when you can, they say.

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Tuesday, July 2, 2024

Could adjusting your diet lower your cancer odds? - National Geographic

When Urvi Shah was a hematology-oncology fellow she was diagnosed with Hodgkin lymphoma, a cancer affecting the lymph system that is vital for a healthy immune response. Shah received four months of intense chemotherapy that cured the disease, but she wondered what role, if any, diet played in eradicating her cancer.   

“I heard plenty of recommendations from friends and family about what I should and shouldn’t eat, and I realized that we don’t learn anything about the role of nutrition in healing in medical school,” says Shah. “As a patient, I wanted to feel empowered to do something to support my health.”

Intrigued by the evidence that high fiber plant foods reduce cancer incidence and risk of recurrence, Shah refocused her research on modifiable risk factors for cancer, including nutrition, obesity, diabetes, and the microbiome. Now a myeloma specialist and assistant professor at Memorial Sloan Kettering Cancer Center, Shah is spearheading four dietary intervention studies (NUTRIVENTION trials) to provide nutrition guidance for cancer patients.

Shah’s work is part of a growing body of research suggesting that a constellation of metabolic diseases including obesity, diabetes, hypertension, high cholesterol, and high triglycerides—which affect more than 40 percent of Americans—could be a key driver in the onset and progression of many cancers. There’s even a medical term—metabolic syndrome—to describe people who have three or more of these conditions. The incidence of this syndrome has been trending upward for decades and the western diet combined with an inactive lifestyle are largely to blame.

Over-indulging in alcohol, refined carbohydrates, and fat-laden foods, and spending most of your time on the couch or seated at a desk, produces an inflammatory response that leads to DNA damage over time. Unfortunately, the more damaged your DNA, the more likely normal cells are to become cancerous.

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Your Quality of Life at 70 May Depend on What You Eat at 40 - Healthnews.com

Maintaining a healthy diet in midlife may be one the main keys to aging gracefully, a new study has found.

It’s safe to say everyone would like to enjoy good physical, mental, and cognitive health into old age, but how to get there remains somewhat of a mystery.

We know that a combination of healthy lifestyle habits can help us achieve this goal, and a new study suggests that our food choices in middle age may play a major role.

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The preliminary study, conducted by the American Society for Nutrition, found that those who maintained healthy, balanced diets as of age 40 and beyond were far more likely to experience good health and quality of life at age 70.

Specifically, those who ate well in midlife were 43-84% more likely to be physically and mentally well at age 70 compared with those who did not.

Eating plenty of fruits, vegetables, whole grains, unsaturated fats, nuts, legumes, and low-fat dairy was found to be associated with greater odds of healthy aging while consuming higher amounts of trans fat, sodium, total meats, red, and processed meats were associated with lower odds of healthy aging.

“Traditionally, research and derived dietary guidelines have focused on preventing chronic diseases like heart disease,” said researcher Anne-Julie Tessier, Ph.D., a postdoctoral fellow at Harvard TH Chan School of Public Health, in a news release. “Our study provides evidence for dietary recommendations to consider not only disease prevention but also promoting overall healthy aging as a long-term goal.”

Researchers conducted the study using data from 106,000 people between 1986 and 2016. The participants were 39 or older when the study began and free of chronic disease at that point. Every four years, they fill out questionnaires about their diet and health.

By 2016, only 9.2% of the participants had reached age 70 or older while avoiding chronic diseases and maintaining good physical, cognitive, and mental health.

Researchers examined how closely the participants followed eight healthy dietary patterns defined by previous scientific studies. They found that those who most closely followed the alternative healthy eating index, a pattern that reflects close adherence to the Dietary Guidelines for Americans, were most correlated with healthy aging. Those in the top quintile for this dietary pattern were 84% more likely to achieve healthy aging than those in the bottom quintile.

The empirical dietary index for hyperinsulinemia diet was associated with a 78% greater likelihood of healthy aging, followed by the planetary health diet (68%), the alternative Mediterranean diet (67%), the dietary approaches to stop hypertension (DASH) diet (66%), the Mediterranean-DASH intervention for neurodegenerative delay (MIND) diet (59%), the empirical dietary inflammatory pattern (58%), and the healthful plant-based diet (43%).

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The findings remained true after accounting for factors including physical activity.

The researchers say the results suggest that it’s very possible to consume a diet that is good for both humans and the planet.

Additionally, they say the findings emphasize that switching to a healthier diet — even in middle age — may significantly impact the quality of life as individuals age.

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Monday, July 1, 2024

Could adjusting your diet lower your cancer odds? - National Geographic

When Urvi Shah was a hematology-oncology fellow she was diagnosed with Hodgkin lymphoma, a cancer affecting the lymph system that is vital for a healthy immune response. Shah received four months of intense chemotherapy that cured the disease, but she wondered what role, if any, diet played in eradicating her cancer.   

“I heard plenty of recommendations from friends and family about what I should and shouldn’t eat, and I realized that we don’t learn anything about the role of nutrition in healing in medical school,” says Shah. “As a patient, I wanted to feel empowered to do something to support my health.”

Intrigued by the evidence that high fiber plant foods reduce cancer incidence and risk of recurrence, Shah refocused her research on modifiable risk factors for cancer, including nutrition, obesity, diabetes, and the microbiome. Now a myeloma specialist and assistant professor at Memorial Sloan Kettering Cancer Center, Shah is spearheading four dietary intervention studies (NUTRIVENTION trials) to provide nutrition guidance for cancer patients.

Shah’s work is part of a growing body of research suggesting that a constellation of metabolic diseases including obesity, diabetes, hypertension, high cholesterol, and high triglycerides—which affect more than 40 percent of Americans—could be a key driver in the onset and progression of many cancers. There’s even a medical term—metabolic syndrome—to describe people who have three or more of these conditions. The incidence of this syndrome has been trending upward for decades and the western diet combined with an inactive lifestyle are largely to blame.

Over-indulging in alcohol, refined carbohydrates, and fat-laden foods, and spending most of your time on the couch or seated at a desk, produces an inflammatory response that leads to DNA damage over time. Unfortunately, the more damaged your DNA, the more likely normal cells are to become cancerous.

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Chronic Kidney Disease Takes Growing Toll in Latin America - Medscape

Over the past 30 years, chronic kidney disease has become one of the leading causes of death and years of healthy life lost in Latin America.

The increase in the disease burden results more from premature deaths than from the disability associated with the pathology. No country in the region has managed to avoid the troubling impact, but some, such as Nicaragua, El Salvador, Guatemala, and Mexico, stand out for having the highest standardized rates of years lost due to premature deaths, disability-adjusted life years for chronic kidney disease.

The data come from a study published in the Pan American Journal of Public Health by authors from the National Autonomous University of Mexico in Mexico City. They arose from a secondary and ecological analysis of data from the Global Burden of Disease, Injuries, and Risk Factors Study 2019.

The numbers are concerning, study author Marcela Agudelo Botero, PhD, a doctor of population studies and member of the Research Center in Policies, Population, and Health at the National Autonomous University of Mexico's Faculty of Medicine, told the Medscape Spanish edition. Without taking action to prevent risk factors in the entire population and without guaranteeing effective access, continuity, and quality care for people living with chronic kidney disease, this trend will continue to rise. It is important to note that diabetes and systemic arterial hypertension were the main underlying causes in almost all countries analyzed.

The research reflected how chronic kidney disease has silently gained ground in Latin American countries, in terms of mortality and years of healthy life lost. During the period 1990-2019, chronic kidney disease rose from the 13th leading cause of death to the second leading cause of death. The increase was only slightly less precipitous in Chile, El Salvador, and Venezuela.

Regarding years of healthy life lost, the standardized rates are also not reassuring. From 1990 to 2019, chronic kidney disease became a significantly more important cause of years of healthy life lost across the region, except in Argentina and Colombia.

Taking both indicators into account, El Salvador, Guatemala, Nicaragua, and Mexico appear among the countries most affected. In contrast, in Brazil, Chile, Colombia, and Uruguay, the impact seems to have been smaller.

The gap in these indicators could result from various factors, such as demographic changes; urbanization; increasing exposure to environmental, commercial, nutritional, and social risk factors; or various economic and cultural realities in the countries of the region, according to the investigators.

Chronic kidney disease manifests itself when it is inevitable that people will require renal replacement therapies. And it is invisible because despite the figures exposed in this article, very few countries have renal health policies, sufficient resources, and sustainable programs over time. This has led to the disease being relegated to a secondary priority, said Agudelo.

Huge Public Health Challenge

Chronic kidney disease represents a progressive epidemic and a significant public health problem. Globally, the standardized mortality rate increased by 2.8% during the 1990-2017 period. In 2017, the rate was 15.9% per 100,000 people. If this trend continues, chronic kidney disease is projected to become the fifth leading cause of mortality on the planet by 2040.

Moreover, the impact will remain unequal and more pronounced in middle- and low-income countries, as in most of Latin America, where this disease already represented the fourth leading cause of mortality in 2019. Several countries in the region have some of the highest mortality rates from chronic kidney disease in the world.

The data presented show the enormous challenge in the region that needs to be urgently addressed by policymakers and decision-makers. First, it is necessary to generate and maintain robust and reliable records on different aspects of chronic kidney disease, which includes having data on people at risk for the disease. Second, there is a need for countries to develop and implement explicit public policies to prevent the disease and ensure treatment and care for those who need it, regardless of their health insurance status, said Agudelo.

Enacting public policies would allow efforts and resources to be focused on the most vulnerable populations, she added. Countries need to generate and implement public policies to prevent the disease and to guarantee treatment and care for those who require it, regardless of their health insurance status.

Chronic kidney disease is considered catastrophic when renal replacement therapies are required. Ensuring financing for these therapies has become a major challenge for the governments and healthcare systems of Latin America.

The authors noted that the lack of care has previously been associated with higher mortality and other unfavorable outcomes in patients with chronic kidney disease. They pointed out that few countries in the region have designed and implemented public policies to prevent, contain, and reduce the burden of renal disease.

In Colombia and Uruguay, programs have been established and resources allocated for renal healthcare. However, in countries like Mexico, El Salvador, and Nicaragua, individuals with chronic kidney disease have little or no access to renal replacement therapies.

The worrying outlook is completed by statistics showing low access to kidney transplants for patients throughout Latin America. Statistics in the region indicate a median of 68.8 transplants per million people. This figure is significantly below that seen, eg, in Western Europe (535.5 transplants per million people).

Preventive, Multidisciplinary Approach

Another challenge for Latin American patients with chronic kidney disease is their limited access to nephrology specialists. There are around eight professionals per million people, which is well below the 20 per million people considered necessary.

Having only nephrology specialists may not be enough to reduce the burden caused by chronic kidney disease, however. This pathology, of which arterial hypertension, diabetes, and obesity are the main risk factors, requires a multidisciplinary approach.

The number of patients with diabetes in Latin America was estimated to be 43 million in 2021. By 2050, the number is projected to rise to 121 million. In addition, the region had one of the highest increases in obesity prevalence between 1985 and 2016.

A multidisciplinary approach is crucial. Initially, this includes clinical doctors, promoting control of risk factors, and improving health access by the population. Then the interaction of specialists can reduce the comorbidities that exist around or at the onset of chronic kidney disease, said Javier Farias, MD, endocrinologist and director of the specialty physicians in endocrinology program at the University of Buenos Aires in Buenos Aires, Argentina.

It is essential in Latin America to control rates of overweight and obesity, especially in children and pregnant women, said Farias. Dietary changes are key, and they can be encouraged not only through food labeling but also through education in schools, promoting healthy foods free from endocrine disruptors, and implementing measures to prevent food insecurity, he added. 

Additionally, promoting physical activity and mobility, improving sleep health, and working toward green cities are necessary. The latter is particularly challenging in our regions because we are in contexts of violence or insecurity, said Farias.

The low mortality rates in Uruguay and Colombia are positive findings. I feel that a health system based on prevention and health promotion can have an impact on these indicators, said Farias.

For her part, Agudelo indicated that the key message of this research for doctors is that, now more than ever, health literacy in renal health is essential. Communication between healthcare professionals and the community must be ongoing and fluid.

She also stressed the need to position chronic kidney disease on governments public agenda and emphasize the importance of renal health for everyone. This [step] should be accompanied by actions to increase early detection of the disease, as well as sensitize and train healthcare personnel, who must have standardized clinical guidelines and protocols. The overarching policy for renal health should be supported by financial, human, and material resources, said Agudelo.

Agudelo and Farias declared no relevant financial conflicts of interest.

This story was translated from the Medscape Spanish edition using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication.

 

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