Health and me
Hidden at the bottom of your neck, the thyroid gland is a tiny thing, but it has a gigantic responsibility to handle. Acting as the body's master regulator of metabolism, energy, pulse rate, temperature, and even fertility, the butterfly-shaped endocrine gland is an absolute necessity to your well-being. So serious is its role that when the thyroid is out of balance, almost every cell and system in the body suffers.
Though it is very important, thyroid wellness remains largely misconceived and underrated. Millions of people all over the world quietly endure symptoms of thyroid malfunction — fatigue, weight fluctuation without reason, mood instability, hair loss, infertility — unaware that a micronutrient imbalance might be at the root. While drugs and thyroid hormone substitutes usually take center stage, the key to thyroid wellness is something much easier and more potent: diet.
Your thyroid isn't a gland — it's an inner compass for your body. It regulates energy, mood, metabolism, fertility, and we tend to overlook the very micronutrients that keep it running, according to dietitian Lavleen Kaur. Three underappreciated heroes — iodine, selenium, and zinc — are the foundation of this nutritional system. These micronutrients, commonly ingested in trace amounts, play quietly in the background dictating the hormone production, conversion, and immune resistance that your thyroid needs to work best.
No topic of thyroid health can be started without iodine. This trace mineral is the chief component of thyroid hormones — triiodothyronine (T3) and thyroxine (T4). Without sufficient iodine, the thyroid is unable to make these vital hormones and the balances and functions in the body become imbalanced and dysregulated, resulting in goiter and hypothyroidism.
"Iodine is not negotiable," according to Lavleen Kaur. "It powers the thyroid's very function. But nowadays, in the name of 'healthy eating,' many substitute iodized salt with pink or rock salt, not knowing that these so-called healthy options are iodine-free."
In the quest to remain 'clean' or 'natural,' most do so unwittingly, robbing the body of one of the most important nutrients. The solution is not about demonizing rock salt or romanticizing iodized salt — it's all about balance and vigilance. "Use rock salt in your daily sabzis or dals, but put iodised salt in chutneys or pickles," she suggests.
And salt isn't the only choice. "Curd, nuts, seeds, sprouts, and greens are also nature's iodine gifts," she adds. In functional medicine, the value of iodine goes beyond thyroid function to include metabolic well-being, hormonal balance, and regulation of growth, so making it necessary not only for thyroid function but for systemic vitality.
If iodine constructs thyroid hormones, selenium guards them — and the gland — from damage. Selenium is a potent antioxidant that helps convert T4 (inactive) to T3 (active), the hormonal form your body utilizes. It also protects the thyroid against oxidative stress and inflammation.
Selenium is the thyroid's shield," states Kaur. "You don't require pills. A handful of Brazil nuts per week, or Indian staples such as lentils and sunflower seeds, will suffice."
At a functional level, selenium is integrated into selenoproteins, which are crucial for hormone metabolism and immune protection. The proteins prevent autoimmune thyroid disease like Hashimoto's thyroiditis by dampening chronic inflammation in the gland.
In selenium-deficient people, research has demonstrated increased rates of thyroid disease aggravation. Luckily, foods high in selenium are easily available, and it is possible to strengthen thyroid resistance through daily fare — no script needed.
Too often in the shadow of sexier nutrients, zinc plays the quiet multitasker in the thyroid story. It helps in the synthesis and conversion of thyroid hormones, regulates enzyme function, and aids immune function — a triad of activity crucial to thyroid equilibrium.
"Zinc is in the background, but it's essential," stresses Kaur. "Eat pumpkin seeds, legumes, and whole grains, and observe the change in energy and equilibrium."
Zinc also impacts the thyroid's capacity to uptake iodine, earning it the title of synergistic nutrient in thyroid physiology. Beyond the thyroid, zinc's significance in functional medicine spills over into issues with gut health, mood, and reproductive health. Not only can a lack of zinc undermine immune function, it can also compromise the body's capacity to convert T4 to T3 efficiently — causing subtle hypothyroidism symptoms such as brain fog, fatigue, and cold intolerance.
The prevailing narrative of thyroid health tends to center on repairing what's damaged but what if the discussion changed to supporting what's already smart and regulating?
As Kaur explains, "We don't need to 'fix' the thyroid. We need to nourish it. Respect it." Connecting food to purpose and routine to intention turns thyroid care into a sustainable lifestyle instead of a reactive treatment.
Rather than running to supplements at the first hint of trouble, use real, whole foods as your initial defense — iodised salt, yogurt, Brazil nuts, legumes, seeds, and leafy greens. These functional foods are silently potent, particularly when eaten regularly and with awareness.
Although good-quality supplements may help those who have dietary limitations, absorption problems, or particular deficiencies, they must never act as substitutes for food as your source of nutrients. Before adding any supplement to your regimen — particularly iodine, selenium, or zinc — speak with your healthcare professional. Nutrient interactions, medical conditions, and dosing tolerances can differ greatly among individuals.
Thyroid wellness isn't about excess. It's about the little, everyday routines that root your body's hormonal harmony. With a sprinkle of iodized salt or a handful of Brazil nuts, every food decision has the power to rebalance your thyroid — and with it, your energy.
As Lavleen Kaur puts it, "True wellness is not loud. It's rooted. Balanced. And often begins with something as small as a pinch of the right salt."
Lavleen Kaur is a certified Dietitian and Founder of Santushti Holistic Health & Diet Insight Nutrition Academy in India
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Following the MIND diet may help slow brain aging by more than two years, according to new research.
The MIND diet is a combination of the Mediterranean diet and the DASH diet, both known for their health benefits, but it is specially designed to protect brain function. In a long-term study of over 1,600 adults, researchers found that people whose eating habits closely followed the MIND diet showed less brain shrinkage over time, especially in gray matter, which is crucial for memory, thinking, and decision-making. They also had fewer signs of brain deterioration, such as enlarged ventricles.
On average, those who stuck most closely to the diet had brain changes equivalent to being about 2.5 years younger compared to others.
Brain aging is the natural, progressive process of structural and chemical changes in the brain over time, resulting in typical age-related cognitive decline, such as slower processing speeds, reduced brain volume (atrophy) and memory lapses.
"MIND-recommended foods rich in antioxidants, such as berries, and high-quality protein sources like poultry may reduce oxidative stress and mitigate neuronal damage," write the researchers in their published paper.
This combination diet focuses on foods rich in antioxidants and nutrients that protect brain cells and may help reduce oxidative stress and inflammation, both of which contribute to brain aging. At the same time, it limits unhealthy foods like fried items, red meat and processed foods, which can damage blood vessels and brain tissue.
However, the study does not explain how the MIND diet directly affects the brain and factors like lifestyle, sleep, or genetics may also play a role, according to the scientists.
READ MORE: High Brain Age May Increase Dementia Risk, Study Shows
The Mediterranean diet is a plant-focused way of eating, inspired by the traditional diets of Mediterranean countries. It emphasizes fresh fruits and vegetables, whole grains, legumes, nuts, seeds, and olive oil as the main source of fat. The diet includes moderate amounts of fish and dairy while limiting red meat and sweets.
Beyond what’s on the plate, it also encourages lifestyle habits such as regular physical activity and sharing meals with others, which supports social connections and helps reduce stress.
Incorporating the Mediterranean diet into your daily routine doesn’t have to be complicated. Start by adding more fresh fruits and vegetables to every meal, swapping refined grains for whole grains, and including nuts, seeds, and legumes as snacks or salad toppings. Use olive oil as your main cooking fat instead of butter or processed oils, and aim to include fish or seafood a few times a week.
Red meat and sweets can be enjoyed occasionally, rather than daily. Beyond food, try to stay active through walking, yoga, or other forms of exercise, and make mealtimes a social experience whenever possible, sharing meals with family or friends to combine nutrition with connection and reduced stress.
A long-term study conducted by the Nurses’ Health Study (NHS), which followed female nurses from 1989 to 2023, found that people who closely followed the Mediterranean diet over the years had a significantly lower risk of dementia and better cognitive function.
This protective effect was particularly evident in individuals with varying genetic risk for Alzheimer’s, including carriers of the APOE-e4 gene. Similar findings were also observed in the male Health Professionals Study.
While the Mediterranean diet as a whole was linked to reduced dementia risk, researchers highlighted a few key components that seem to have the most impact: fresh fruits, nuts, and sources of monounsaturated fats, such as olive oil and avocados.
The study indicates that sticking to the Mediterranean diet over the long term may substantially lower the risk of Alzheimer’s, even for those with a genetic predisposition. This diet is packed with fiber, antioxidants, healthy fats, and lean proteins, found in foods like fruits, vegetables, nuts, seeds, legumes, whole grains, seafood, and olive oil. Incorporating more of these foods into your daily meals can be a simple way to support brain health.
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While many studies suggest that caffeine may be dangerous for your physical health, a new Neuropsychopharmacology study suggests that it may protect against, and even reverse, memory problems caused by lack of sleep.
In this animal study, scientists at the National University of Singapore have found that sleep-deprived mice struggle to recognize other mice however, mice that were given caffeine for a week before being being sleep-deprived performed much better on tests and did not show the same memory loss.
Additionally, when caffeine was directly applied to brain tissue from sleep-deprived mice, it improved communication between brain cells in this region -- suggesting that caffeine doesn’t just mask tiredness but may also help repair disrupted brain activity.
NUS physiologist Lik-Wei Wong explained: "Sleep deprivation does not just make you tired. It selectively disrupts important memory circuits.
"We found that caffeine can reverse these disruptions at both the molecular and behavioral levels. Its ability to do so suggests that caffeine's benefits may extend beyond simply helping us stay awake."
"Our findings position the CA2 region as a critical hub linking sleep and social memory. This research enhances our understanding towards the biological mechanisms underlying sleep-related cognitive decline. This could inform future approaches to preserving cognitive performance," NSU neuroscientist Sreedharan Sajikumar added.
Based on these results, the study concluded that sleep deprivation increases signaling linked to adenosine, a chemical that promotes sleep but can also weaken memory circuits. But with moderate amounts of intake, caffeine appears to block this effect and help the brain maintain normal function
While the discovery offers a clearer understanding of how sleep, memory and caffeine are connected, the findings are based on mice and more research is needed to confirm if the same benefits apply to humans.
Due to how much caffeine can actually affect one’s body, experts recommend 400 milligrams only per day. That is about four cups, it is also better to consult a doctor about this as caffeine sensitivity is different for people. Some people are more sensitive to caffeine than others.
How you react depends on your health, what medicines you take, and how fast your body processes things. Too much caffeine can cause problems, so it's important to pay attention to how you feel and not go overboard. Here is what happens to your body when you drink too much caffeine daily.
Caffeine can slow down how your skin makes collagen, which keeps it tight and smooth. Less collagen means more wrinkles, making you look older faster. Cutting back on coffee might help your skin stay younger-looking.
Too much caffeine can make your blood pressure go up. This can be bad for your heart and increase your risk of problems like heart attacks and strokes. It's not clear exactly why, but it's a risk.
Caffeine can make you feel jittery and anxious. It can also trigger your body's "fight or flight" response, which is like a panic reaction. If you already feel anxious, caffeine can make it much worse.
Credit: Saba Azad/Instagram
Actress Saba Azad has been hospitalized after being infected with the parasite Cyclospora cayetanensis. The infection has led to significant weight loss of around 4 kg, leaving her extremely weak and barely able to walk.
Calling the bug “nasty piece,” Azad, in a post on social media platform Instagram, rued that she got the infection even though she always ate home-cooked food and carried her own water bottle for drinking water.
The actress also shared a photo of herself lying in a large hospital bed, looking visibly frail. She described the ordeal as the “worst 14 days” of her life.
“Worst 14 days of my life. Cyclospora cayetanensis...you nasty piece of work!! For someone who only ever eats home food, carries her water bottle everywhere, this stomach bug came outa nowhere, that too at the busiest time of the year for me,” she wrote on Instagram.
She also shared how the illness drastically affected her physical strength and her weight.
“I have lost 4 kgs that I didn’t have spare in two weeks, and I can barely walk,” Azad said.
“One day I'm training twice a day, doing pull-ups, lifting heavy, and the next I'm half my size, without strength to lift a goddamn toothpick, let alone weights,” she added.
The actress and musician advised people to wash their salad leaves and vegetables properly.
"For the love of your gut, wash your salad leaves and veg like your life depends on it - cause sometimes it really does!!”
The 41-year-old noted that “Baking soda + veggie wash” is her new way to wash them.
She also mentioned that her boyfriend, Hrithik Roshan, has been a constant source of support during this time.
Cyclospora cayetanensis is a parasite that leads to the illness Cyclosporiasis -- a form of food poisoning.
One can get a Cyclospora infection from contaminated food or water. It causes watery diarrhea and other intestinal symptoms.
A Cyclospora infection can be mild or very serious, and may last weeks or months. It is typically treated with antibiotics.
People with weakened immune systems, such as those with HIV/AIDS or cancer, are more at risk of severe disease.
Symptoms of cyclosporiasis usually start within a week of exposure (eating or drinking contaminated food or water) and include:
While it is not yet fully understood how Cyclospora gets into food and water, individuals can prevent cyclosporiasis by not consuming food or water that may be contaminated with feces.
The US CDC advises people to take measures to prevent the foodborne illness such as:
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