Image Credit: Canva
Cashews have long enjoyed a spot among the esteemed members of the nut family, gracing snack bowls, trail mixes, and gourmet recipes alike. With their creamy texture, delightful crunch, and rich nutritional profile, they’re a staple in many households and cuisines worldwide. But what if we told you that cashews, the humble kitchen favorite, aren’t actually nuts?
Much like peanuts, which are scientifically classified as legumes, cashews belong to a completely different botanical category. Surprising, right? This article delves deep into the botanical intricacies and culinary mysteries surrounding cashews, offering a clearer understanding of where this beloved ingredient truly belongs.
To unravel the mystery of cashews, it’s essential to first understand what defines a "true" nut. Botanically, a nut is a dry fruit encased within a hard shell, containing a single seed. The hard shell doesn’t split open when the fruit ripens, distinguishing nuts from other plant-based foods. Examples of true nuts include acorns, chestnuts, and hazelnuts. These are the quintessential representatives of the nut family.
In contrast, many foods colloquially referred to as nuts—like cashews, almonds, and pistachios—do not fit this scientific definition. So, if cashews aren’t nuts, what are they?
Cashews are classified as drupes. Drupes are fruits that have a fleshy exterior surrounding a single seed encased in a hard shell. The part we consume—the cashew “nut”—is the seed of this drupe.
The cashew tree, scientifically known as Anacardium occidentale, produces a fascinating fruit structure. The visible pear-shaped cashew apple, which often draws attention, is not the actual fruit. Beneath it hangs a small, kidney-shaped drupe. Inside this drupe lies the cashew seed, which is what we eat.
Interestingly, the cashew’s outer shell is inedible due to the presence of urushiol, a toxic compound also found in poison ivy. This makes the processing of cashews labor-intensive, as the shells must be carefully removed to ensure safety.
Given their culinary similarity to peanuts, you might wonder if cashews are legumes. However, legumes grow in pods containing multiple seeds that split open when mature. Examples include beans, peas, and peanuts.
Although cashews, like peanuts, can be split in half, their development within a drupe rather than a pod excludes them from the legume family. Cashews occupy a unique botanical category, making them difficult to classify strictly.
While cashews may not be nuts by botanical standards, they’re treated as nuts in the culinary world. Why? Because cashews share many characteristics with true nuts:
Nutritional Profile: Like nuts, cashews are rich in healthy fats, protein, and essential nutrients, making them a key ingredient in energy-boosting snacks and recipes.
Culinary Uses: Cashews are versatile and can be used in everything from nut butters and trail mixes to stir-fries and desserts, much like almonds or walnuts.
Interestingly, many popular “nuts” aren’t botanically nuts either. Walnuts, pecans, pistachios, and almonds are also drupe seeds. Even with their misclassification, cashews’ nutritional and culinary contributions have cemented their place in the nut aisle.
Regardless of classification, cashews are undeniably nutritious. They are packed with essential nutrients like magnesium, zinc, iron, and vitamins B6 and K. Their high content of monounsaturated fats supports heart health, while their protein and carbohydrate content make them a satisfying snack for sustained energy.
Cashews are also an excellent plant-based source of copper, which plays a vital role in energy production, brain health, and immune function. Adding them to your diet can offer numerous health benefits, whether sprinkled over salads, blended into creamy sauces, or enjoyed as a simple roasted snack.
Understanding the botanical classification of cashews not only satisfies curiosity but also highlights the incredible diversity of plant-based foods. It’s a reminder of the complexity of the natural world and the importance of accurate labeling in agriculture and nutrition.
Moreover, cashews’ unique classification showcases their versatility. Whether you consider them nuts, drupes, or seeds, there’s no denying their culinary and health value. Their rich flavor, satisfying texture, and nutrient-dense profile make them a standout ingredient across cuisines and diets.
So, are cashews nuts? Botanically, no. Cashews are drupe seeds, with a fascinating journey from tree to table. Yet, in the culinary world, they’ve earned a spot alongside true nuts, thanks to their similar flavor, texture, and nutritional attributes.
Regardless of their classification, cashews are a delicious, versatile, and nutritious food. Whether you’re enjoying a handful as a snack, blending them into a creamy vegan sauce, or incorporating them into a dessert, cashews deserve a place in your pantry and your diet.
Next time you reach for a bowl of “mixed nuts,” remember the botanical intricacies that make each ingredient unique- and give a little extra appreciation to the not-so-nutty cashew!
Credit: AI
Today, protein has found its way into everything from coffee and cereal to chips and even water. But a new scientific review suggests that for many adults, especially those who are not physically active, consuming more protein than needed may offer little benefit and could even have pose unintended health consequences.
Published in Cell Press Blue, the review analyzed more than 350 studies on restriction of protein, aging, metabolism, and longevity across humans and animal models.
Researchers concluded that while protein remains essential in one's diet, most sedentary adults are likely consuming more than they need. It also found that bringing down excess protein intake may support healthier aging.
“It’s absolutely crystal clear that there are benefits of protein to muscle growth and exercise response of active individuals,” said Dr. Dudley Lamming, aging researcher at the University of Wisconsin-Madison and the review’s corresponding author.
“But because most people are relatively sedentary, many people are likely consuming more protein than they actually need, which probably has negative health consequences,” he added.
The researchers explain that eating less protein appears to activate several biological pathways that are associated to healthy aging.
One key player is fibroblast growth factor 21 (FGF21), a hormone that rises when protein intake is reduced.
Higher FGF21 levels have been associated with increased energy expenditure, better blood sugar control, lower inflammation, and healthier metabolism. Animal studies have also linked elevated FGF21 to longer lifespan.
The review also highlights specific amino acids, including methionine, isoleucine, and valine, which may influence aging-related processes when consumed in excess. Restricting these amino acids appears to alleviate cellular stress and improve metabolic health in experimental studies.
Also read: No Junk Food Near Schools! Maharashtra FDA Bans Sale Of Foods & Drinks High In Fat, Salt & Sugar
Researchers caution that the findings do not mean everyone should start eating a low-protein diet.
Protein requirements vary depending on age, activity level, health status, and life stage. Athletes, pregnant women, people recovering from illness or surgery, and many older adults often require more protein for muscle maintenance and recovery.
“Recent recommendations have encouraged people to eat more protein, but they’ve also encouraged people to exercise more,” Lamming said. “We probably need to personalize protein recommendations based not just on age, but also on how physically active people are.”
For healthy adults, the recommended dietary allowance is 0.8 grams of protein per kilogram of body weight daily. Although individual needs increase with regular exercise, aging, pregnancy, or certain medical conditions.
Many adults already exceed these recommendations through regular meals alone, even before adding protein supplements.
The researchers acknowledge that much of the evidence comes from animal studies, and long-term human trials are still limited. They say future research should determine exactly who benefits from lower protein intake and who needs more.
As protein-fortified products continue to flood supermarket shelves, the researchers argue that dietary advice should become more personalized rather than assuming higher protein intake benefits everyone.
Credit: iStock
Ultra-processed foods (UPFs), typically high in salt, sugar, and unhealthy fats, have long been associated with obesity, diabetes, hypertension, and other chronic diseases.
Now, new research suggests that the vast majority of foods marketed for toddlers in the US fall into this category. A study led by the University of Texas at Austin found that more than 80% of toddler foods sold in US grocery stores are ultra-processed, while nearly half fail to meet at least one nutrient standard set by the World Health Organization (WHO) for commercial foods intended for children aged 6 to 36 months.
Researchers analyzed 2,783 toddler food products sold across 21 grocery stores in Texas. Using the Nova classification system, they found that 81% of products were ultra-processed, while 49% failed to meet at least one WHO nutrient standard.
Among the products analyzed:
Products that exceeded WHO recommendations included:
“Many parents may assume that products sold on the baby/toddler food aisles of their grocery stores have to meet certain nutrient standards. Our findings highlight that half of the toddler foods available in local grocery stores do not,” said Erin A. Hudson, a University of Texas at Austin graduate student and science policy fellow with the American Society for Nutrition.
Hudson urged parents "to be vigilant in checking labels and ingredients to determine the nutrient content and processing level of products for their toddlers".
Read More: 'Let's Fix Our Food': India Launches New Policy To Fight Childhood Obesity, Boost Nutrition
The toddler years are a crucial period for developing lifelong eating habits and taste preferences. Diets high in added sugars and ultra-processed foods during early childhood may increase the risk of obesity, diabetes, cardiovascular disease, and other chronic illnesses later in life.
The researchers found that ultra-processed toddler foods were significantly more likely to be high in sugar than less-processed alternatives. Excess sugar intake in young children has been consistently linked to poor health outcomes, including obesity and metabolic disorders.
The findings come as the US Food and Drug Administration (FDA) is considering new guidelines for front-of-package nutrition labels, healthy claims and marketing of food products to children. The US currently does not require warning labels on any food products that are high in sugar, sodium or calories.
Ultra-processed foods (UPFs) are industrially manufactured products made with ingredients and additives rarely used in home cooking, including preservatives, emulsifiers, artificial sweeteners, colorants, flavor enhancers, and hydrogenated oils. They are generally high in refined carbohydrates, added sugars, unhealthy fats, and sodium, while being low in fiber and other essential nutrients.
Research suggests that diets high in UPFs may promote chronic inflammation, disrupt the gut microbiome, and impair insulin regulation over time, potentially increasing the risk of obesity, type 2 diabetes, cardiovascular disease, and other chronic illnesses from an early age.
Credit: AI image
The monsoon season offers relief from the heat but also creates the perfect environment for bacteria, viruses, and fungi to multiply. As a result, stomach infections, food poisoning, diarrhea, and indigestion become more common.
Thus, fermented foods act as a natural probiotic to keep the gut healthy during the rainy season. They also support digestion, improve nutrient absorption, and may reduce the risk of digestive problems during the rainy season. However, the humidity can spoil the food.
HealthandMe spoke to experts who stressed good hygiene and freshly cooked meals. They also called for foods to be prepared
and stored safely to prevent contamination.
Common probiotic-rich homemade foods include:
The experts said that homemade fermented foods naturally contain beneficial bacteria (probiotics) that help maintain a healthy gut microbiome.
"Monsoon brings a natural dip in immunity, and gut health takes centre stage in staying resilient through the season. Fermented foods are one of the simplest ways to introduce live beneficial bacteria that aid digestion and strengthen the body's natural defence mechanisms," Dr. Eileen Canday, Head of Nutrition & Dietetics at Sir H. N. Reliance Foundation Hospital, Mumbai, told HealthandMe.
Riya Oswal, Clinical Nutritionist at Ruby Hall Clinic, said pairing good hygiene with probiotic-rich fermented foods can help support gut health and strengthen the body's natural defenses.
Despite their benefits, fermented foods can become unsafe if they are not prepared or stored properly.
"The higher humidity and fluctuating temperatures during the monsoon create favorable conditions for harmful microorganisms if fermentation is not properly controlled," Dt. Deepali Sharma, Clinical Nutritionist at CK Birla Hospital, Delhi, told HealthandMe.
Food safety becomes especially important during the rainy season. The experts recommended to:
Do not consume homemade fermented foods if they show signs of spoilage. Discard them if you notice:
"Any fermented item that has been maintained at a temperature beyond the normal room temperature for too long must also be avoided, since it might carry dangerous microbes, even if everything seems fine at first glance," she said.
While fermented foods are generally safe for healthy individuals, some people should consult a doctor before consuming homemade fermented products, Oswal told HealthandMe.
These include:
Sharma added that infants, older adults with reduced immunity, and pregnant women should consume only freshly prepared and properly stored fermented foods during the monsoon to minimize the risk of infection.
© 2024 Bennett, Coleman & Company Limited