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Attention deficit hyperactivity disorder (ADHD) is a neurodevelopmental disorder that affects millions of people, both children and adults. The key characteristics are hyperactivity, impulsivity, and inattention. Because of many obstacles, researchers have been searching for other therapies—inclining to include diet intervention to control the symptoms of ADHD more effectively. One interesting area of research is that for chili peppers! Yes, you read it correctly, scientists are studying the effects of chilli peppers in order to help ease symptoms of ADHD through their action on gut microbiota and the gut-brain axis.
The gut-brain axis (GBA) is a two-way communication system that connects the gastrointestinal tract with the central nervous system. It has significant roles in brain function, emotional control, and cognitive processes. The most recent research indicates that gut microbiota- bacteria living in the digestive system can potentially affect ADHD by impacting the production of neurotransmitters and brain structure.
People with ADHD tend to have reduced levels of healthy gut bacteria, including Lactobacillus, and a less diverse gut microbiota. This imbalance can contribute to greater neuroinflammation and oxidative stress, both of which are involved in ADHD pathology.
Gut microbiota also control the production of dopamine and serotonin, two neurotransmitters critical for attention, impulse control, and emotional stability.
Chili peppers have bioactive molecules, such as capsaicin, vitamin C, and polyunsaturated fatty acids (PUFAs), that could affect symptoms of ADHD through modulation of the gut microbiota and neurotransmitter concentration.
Capsaicin, the phytochemical in chili peppers, has been found to modulate neurotransmitter levels. Experiments with animals reveal that capsaicin boosts the levels of serotonin and dopamine in the brain, which has the potential to enhance attention and impulse control.
Additionally, capsaicin has been shown to inhibit neuroinflammation and oxidative stress, both of which are associated with ADHD pathology. Through the reduction of these variables, capsaicin could help to decrease some ADHD symptoms. While animal models offer promising information, human studies are needed to ascertain if capsaicin supplementation can produce a concrete effect on ADHD symptoms.
Chili peppers are a rich source of vitamin C, a potent antioxidant that enhances immune function, neurotransmitter production, and iron absorption. New evidence indicates that vitamin C can also increase the prevalence of helpful microbes such as Lachnospiraceae in the gut microbiota. Gut microbial balance has been implicated in neurodevelopmental diseases such as ADHD, and vitamin C's activity in regulating gut microbes could potentially be used as a therapy.
Moreover, vitamin C also decreases brain inflammation, which tends to be higher in patients with ADHD.
Chili peppers are also rich in PUFAs, such as omega-3 and omega-6 fatty acids. Studies have established that patients with ADHD tend to have lower levels of omega-3 PUFAs, which are important for brain function, synaptic plasticity, and regulation of neurotransmitters. Omega-3 supplementation has been shown to enhance memory function and boost short-chain fatty acid (SCFA)-producing gut bacteria, which promote brain and gut health.
Given that PUFAs have anti-inflammatory properties and maintain cognitive function, their occurrence in chili peppers contributes to the accumulating data indicating dietary intervention may be effective in modulating ADHD symptoms.
Although chili peppers have bioactive substances that could affect the gut-brain axis and help alleviate ADHD symptoms, their impact is speculative until stricter human trials are carried out. Being a readily available food item, peppers can be used as a possible adjunct therapy, which can be added to conventional ADHD treatments. Peppers, however, cannot be used as a substitute for established medical therapies, including behavioral therapy and prescription drugs.
The developing connection between nutrition, gut microbiome, and ADHD has paved the way for exploring non-medication interventions. Chili peppers, rich in capsaicin, vitamin C, and PUFAs, represent a novel yet unproven method for modulating ADHD symptoms. While early research points towards a possible intervention by chili peppers in modulating neurotransmitter content and minimizing neuroinflammation, human studies are essential to validate the observations.
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Many people think that controlling blood sugar is just about avoiding sugary foods or cutting back on carbohydrates. Sure, what you eat is important but so is when you eat, especially if you have diabetes, prediabetes or insulin resistance.
Your body has an internal clock called the circadian rhythm. And, this impacts your sleep, digestion, hormone release and how your body metabolises energy. The stomach, intestine, liver, pancreas, muscles and fat tissue all work in coordination with this rhythm. In simple terms, the body is generally more prepared to digest and use food during the earlier part of the day.
Hormones also follow a daily pattern. Cortisol, for instance, is naturally more active in the morning, while growth hormone has greater activity at night and in the early hours of the day. Since the body is metabolically more active in the morning, it is often able to handle glucose and protein more efficiently at this time.
This is why having a balanced breakfast at a reasonable time, preferably before 9 am where possible, can be helpful for glycaemic control. It does not mean that breakfast has to be large or heavy. It means that the first meal of the day should be nutritious and should not be delayed unnecessarily.
Also read: Why Sustainable Weight Loss Requires More Than Cutting Calories?
Eating early also prevents the long gap without food that can lead to tiredness, excessive hunger and overeating later in the day. By not eating breakfast, a person may be starving by lunchtime and may eat larger portions or foods high in refined carbohydrates. It can cause larger fluctuations in blood sugar.
Those with diabetes who are on insulin or other glucose-lowering medications in particular should eat regular meals. Skipping or delaying food can sometimes lead to hypoglycaemia, or low blood sugar. So, this may cause sweating, shakiness, dizziness, weakness or sudden hunger. In response, a person may overeat, which can then lead to a sharp rise in blood sugar and make overall control more difficult.
Also read: Study Links Lower Protein Intake To Healthy Ageing; Expert Explains Who Should & Shouldn't Cut Back
The old saying, “Eat breakfast like a king, lunch like a prince and dinner like a pauper,” still has relevance. It does not mean overeating at breakfast. Rather, it reminds us not to make dinner the heaviest meal of the day, especially when it is eaten late.
A good breakfast can include protein, fibre and a moderate amount of carbohydrates. Eggs, curd, paneer, dal, sprouts, vegetables, nuts and whole grains are practical options. Timely eating, along with balanced meals, regular activity, prescribed medicines and medical follow up, can go a long way in improving blood sugar control.
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The mukbangs, it a giant burrito in 5 bites, rock–paper–scissors “run and eat” challenge may look like harmless fun on Instagram, but medically, it’s a messy combination of speed, adrenaline and food. Your body simply isn’t built to sprint one second and swallow food the next, and that’s exactly why doctors are raising alarms.
When you suddenly take off running, your system shifts into “performance mode.” Blood flow is pushed toward your muscles, your breathing gets heavier, and your heart rate shoots up. In that state, the body is not prioritising digestion, it’s prioritising oxygen and movement. If you try to eat immediately afterwards, your swallowing reflex is out of sync, your breathing is irregular, and your diaphragm is still working overtime. That makes choking far more likely than people realise, even with small bites.
Then there’s the digestive side. Eating right after a sprint forces the stomach to start working while the body is still in high-alert mode. This can lead to sudden acidity, cramps, indigestion, or even vomiting. Some people experience a sharp head rush or dizziness because the nervous system gets confused between “cool down” and “start digesting.” It’s a physiologically chaotic moment and food doesn’t belong in it.
Also read: Can Drinking Coffee Make You Leaner, Healthier? Study Decodes The Link
Another concern is behavioural. These challenges make speed-eating and chaotic eating patterns look entertaining. Young people often imitate trends without understanding the risks, and this normalises the idea that food is something to be shoved in quickly or eaten competitively. Over time, this can dull the body’s natural hunger and fullness cues.
By Dr Chetan Kalal, DM Hepatologist and Liver Transplant Specialist, Saifee Hospital, Mumbai
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Coffee is one of the world’s most widely consumed beverages and has been linked to various health benefits, including a lower risk of conditions such as type 2 diabetes and cardiovascular disease. However, the biological mechanisms behind these benefits remain unclear.
Now, a Finnish study suggests that people who regularly drink coffee may have healthier body composition and metabolic markers.
The study, published in the European Journal of Nutrition, also found distinct associations between coffee consumption and sex hormones in men and women.
Researchers from the University of Oulu in Finland analyzed data from 2,264 participants, all aged 46, from the Northern Finland Birth Cohort 1966. They examined how coffee consumption was associated with circulating metabolites, cardiometabolic risk markers and sex hormones.
Compared with people who drank less coffee, those who consumed more had:
These biomarkers have previously been linked to insulin resistance and an increased risk of type 2 diabetes when chronically elevated.
The strongest sex-specific associations were observed in men. Among men, higher coffee consumption was linked to:
The researchers stated that hormonal pathways may partly explain the relationship between coffee consumption and metabolic health.
“What stood out in our findings was a distinct hormonal signature that didn't disappear even after we took into account BMI and lifestyle factors, with several of these associations differing between men and women,” said lead author Luca Verroest, a doctoral researcher at the University of Oulu.
However, the findings do not prove that drinking coffee directly makes people leaner or healthier. The study was observational, meaning it identified associations between coffee consumption and metabolic measures rather than establishing cause and effect.
Further research is needed to determine whether coffee itself contributes to these differences in body composition and metabolic health.
According to a recent scientific statement from the American Heart Association (AHA), published in the peer-reviewed journal Circulation, for most healthy adults, drinking up to five cups of black caffeinated coffee a day — providing up to 400 mg of caffeine — is considered safe and may even benefit heart health.
However, the statement noted that how coffee is brewed could make a difference, not just for its taste but also for cholesterol levels.
A review of the latest evidence on caffeine and cardiovascular health found that brewing methods matter because some types of coffee contain compounds that can raise LDL, or “bad,” cholesterol.
The review also found that drinking three to five 8-ounce cups of regular black coffee daily was associated with a lower risk of:
Heart disease
Stroke
Heart failure
Type 2 diabetes
Some abnormal heart rhythms.
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