Mosquitoes are a big part of the ecosystem, but often are a nuisance as they bite and feed off of us. Their bites cause itchy red bumps and spread infections and allergies in our bodies. But have you ever wondered why they bite certain people more than others? While some people are plagued by mosquito bites, others barely notice them. Here are some interesting facts about mosquitoes that you must know about!

1. Carbon Dioxide:

Mosquitoes are attracted to a certain smell that emits from the human body that is present in the human skin and sweat, mosquitoes can sense the carbon dioxide or CO2 we breathe out. The more active you are, the more CO2 you emit and the more mosquitoes will be attracted to you. Researchers are still investigating the cause of the variation of body odour that brings them to you, possibly genetics or certain bacteria. The unique combination of sweat and skin bacteria creates a scent that mosquitoes find irresistible. Some chemicals in sweat, like lactic acid and ammonia, are especially attractive to them.

2. Colours

While the reason isn't fully understood, mosquitoes seem to be drawn to dark colours like black more than lighter ones. So, ditch the dark outfit next time you're in mosquito territory. It has been noted that mosquitoes are more likely to leave lighter colours alone.

3. Heat and Vapour

Mosquitoes can detect your body's heat and water vapour, acting like a beacon guiding them right to you. So next time you're feeling sweaty, be aware you might be attracting a lot of mosquitoes. If you are working out or doing something that is making you sweat and your body heat rise, the mosquitoes nearby will be instantly attracted to you. Even mosquitoes are careful about who they pick as a host, some studies even suggest that they like a certain body temperature to feed off of.

An interesting fact about mosquitoes is that they can learn to like a host. They have their own preferences and if they meet a certain person who fits their criteria they might be the next host they move onto. In an older study, it showed that 20 per cent of people with mosquito-borne diseases accounted for 80 per cent of diseases transmitted in the population. They suggest that they only bite a certain set of people within the population.

4. Other factors:

Studies suggest mosquitoes might learn to prefer certain people based on things like what you've been drinking. In a 2002 study, there could be many reasons they like alcohol to making your body temperature high etc. Even pregnant women seem to be extra attractive to them due to higher body temperature and CO2 output.

Brain tumours are often perceived as rare conditions that present dramatic symptoms. Many patients experience subtle and seemingly unrelated signs that can easily be mistaken for stress, fatigue, migraines, vision problems, or age-related changes. As a result, diagnosis is frequently delayed, allowing the tumour to progress and potentially affecting treatment outcomes.

Dr Abhiram Chandra Gabbita, neuro-oncological & skull base surgeon and senior consultant at AIG Hospital, Hyderabad, in an interview with Health and Me, listed the symptoms of a brain tumour that most patients miss.

One of the biggest challenges in brain tumour care is that symptoms vary depending on the tumour’s size, location, growth rate, and the part of the brain affected. Unlike many other diseases, there is no single symptom that definitively points to a brain tumour.

The Symptoms People Often Miss

In the early stages, symptoms can be mild and intermittent. Symptoms that warrant immediate consultation are:

1. Persistent or worsening headache, especially a morning headache or a headache accompanied by vomiting
2. First-time seizure in an adult
3. Blurred or double vision
4. Hearing changes
5. Loss of smell
6. Subtle weakness, numbness, imbalance, or clumsiness on one side
7. Difficulty speaking, word-finding problems, confusion, or memory decline
8. Personality changes, irritability, withdrawal, poor judgement, or reduced work efficiency
9. Unexplained nausea, vomiting, drowsiness, or increasing fatigue

These symptoms are often ignored or attributed to busy lifestyles, lack of sleep, or work-related stress.

As the tumour grows, symptoms may become more noticeable. Patients can develop worsening headaches, recurrent vomiting, blurred or double vision, hearing difficulties, weakness in the arms or legs, balance issues, speech difficulties, or changes in personality and behaviour.

In more advanced stages, symptoms can include seizures, significant neurological deficits, loss of coordination, confusion, severe cognitive impairment, or reduced consciousness. At this stage, the tumour may have already caused considerable pressure within the skull or affected critical brain functions.

Why Early Diagnosis Matters

Timely diagnosis can significantly influence treatment outcomes. When detected early, brain tumours are often smaller, more localised, and potentially easier to manage through surgery. Early diagnosis enables safer and more complete surgery and allows earlier access to modern targeted therapies, radiation therapy, or a combination of treatment approaches.

Early intervention can help preserve neurological function, reduce complications, improve quality of life, and increase the likelihood of favourable long-term outcomes.

Conversely, delayed diagnosis can allow a tumour to grow larger and affect critical areas of the brain, making treatment more complex and increasing the risk of permanent neurological impairment and cognitive dysfunction.

Advances in Treatment and the Importance of Timely Intervention

Brain tumour treatment has advanced significantly in recent years, enabling clinicians to diagnose and treat tumours with greater precision while preserving healthy brain tissue. Treatment options typically depend on the tumour's type, size, location, grade, and the patient's overall condition. Surgery remains the cornerstone of treatment for many brain tumours and is often complemented by radiation therapy, chemotherapy, targeted therapies, or a combination of these approaches.

Technological innovations are further enhancing surgical outcomes. Today, there are systems that allow neurosurgeons to access deep-seated brain tumours and perform precise, non-thermal tumour removal while using specialised fluorescence imaging to better visualise cancerous tissue, particularly in high-grade gliomas. Similarly, ultrasonic aspirator technology enables the safe and accurate removal of tumour tissue while preserving delicate surrounding brain structures. Neuro-endoscopic systems help facilitate safer tumour removal in a minimally invasive manner.

Awareness remains one of the most powerful tools in improving brain tumour outcomes. Recognising the early warning signs and seeking timely medical advice can make a meaningful difference in a patient's treatment journey.

Doctors encourage individuals to listen to their bodies and pay attention to symptoms that persist or worsen over time. Early recognition, accurate diagnosis, and prompt intervention can not only improve treatment success but also help patients maintain their independence, neurological function, and quality of life.

The key message is pattern and progression. Symptoms that persist, worsen, or occur in combination should not be ignored. Early diagnosis can change outcomes by allowing safer surgery, better preservation of speech, movement, vision, and cognition, earlier oncological treatment, and improved quality of life. Awareness should create action, not fear. So, spot the signs early to stop brain tumour progression early.

Lung cancer is among one of the most feared health condition known to man and detecting it early on can make a difference between life and death but now a new study has even claiming of a more promising detection option where the detection the disease will be possible even before it starts to grow in this way the potential patient will be able to stay through screening and possible medication far before the ailment starts to grow in their body.

A new study by Australia’s Walter and Eliza Hall Institute of Medical Research (WEHI) has identified a new blood signature that might detect cancer even before the disease develops. They are claiming that with this blood test, there is a chance that detection can be possible even 5 years before it actually occurs. The study was published in Cell.

The research was conducted with over 48,000 blood samples, and they identified a 14-protein signature that predicted lung cancer risk within five years and was validated across eight international datasets. Researchers made clear that the detection did not come from the tumor but from a different inflammatory lung environment that precedes cancer.

WEHI laboratory head Clare Weeden, a corresponding author on the paper, said: "The study could lead to more inclusive and effective screening approaches for people in Australia and across the world." She added, “In doing so, these findings bring us closer to a future where early intervention is possible, even before the cancer has a chance to develop.”

Also Read: Diphtheria Outbreak: Australia Reports First Death In A Decade

What Is Lung Cancer?

Lung Cancer is one of the most common and serious types of cancer. It is also the leading cause of cancer-related deaths worldwide, with approximately 2.5 million new cases and 1.8 million deaths reported in 2022. According to the American Cancer Society, lung cancer mainly occurs in older people. Most people diagnosed with lung cancer are 65 or older; a very small number of people diagnosed are younger than 45.

The Two Main Types Of Lung Cancers Are:

Non-small-cell lung cancer (NSCLC): This is the most common form, making up about 80–85% of all cases. NSCLC includes three subtypes:

• Squamous cell carcinoma
• Adenocarcinoma
• Large-cell carcinoma

Small-cell lung cancer (SCLC): Less common than NSCLC, this type tends to grow and spread more quickly.

Early Signs And Symptoms To Look Out For

Lung cancer symptoms can mimic less serious conditions, which is why they’re often dismissed or misdiagnosed. If you experience the following symptoms persistently, don’t ignore them—regardless of your age or smoking history:

• Chest pain or discomfort
• Unexplained shortness of breath
• Persistent cough or wheezing
• Shoulder, back, or rib pain
• Fatigue or sudden weight loss
• Blood in sputum (though not always present).

For many young and middle- aged adults, headaches or brief dizzy spells often feel routine — attributed to long work hours, stress, or poor sleep. Occasional blackouts or “spacing out” episodes may be brushed aside as fatigue or skipped meals.

What makes these symptoms particularly dangerous is that they are often mistaken for burnout, stress, migraines, or exhaustion — especially among younger working professionals. While most headaches are harmless, persistent neurological symptoms that disrupt daily life should never be ignored.

But there are neurological symptoms you should never ignore: sudden seizures, memory loss after brief collapse, repeated headaches, unexplained weakness, or changes in personality. These can sometimes point to an underlying brain disorder — and, in rare cases, to Glioblastoma, one of the most aggressive forms of brain cancer.

Glioblastoma (GBM) is one of the most aggressive and fast-growing forms of brain cancer in adults. It develops in the supportive tissue of the brain and can quickly affect memory, speech, movement, personality, and other neurological functions. Because the tumour tends to spread into nearby healthy brain tissue, complete surgical removal is often difficult, making timely diagnosis and treatment extremely important. While brain tumours are often associated with older adults, specialists are increasingly seeing younger individuals dismiss early warning signs as work-related fatigue, lack of sleep, stress, or lifestyle burnout. Delayed recognition can sometimes postpone critical medical intervention. In India, there are around 23,000 glioblastoma cases per day, considered higher incidence rates along with North America, Australia, Northern and Eastern Europe. Seizures and persistent headaches are often among the earliest symptoms that prompt medical investigation.

Recently, a 34-year-old woman presented to Apollo Hospitals, Bannerghatta with seizures and memory loss. Her first seizure occurred one morning at home — she collapsed briefly, with twisting of arms and legs, and woke with total memory loss of the episode. Like many young professionals struggling between work and personal commitments, she first considered the cause to be work-induced stress. The family did not suspect that these seemingly routine headaches and blackouts could indicate a serious neurological condition. Before that, she had minor headaches — the kind most people ignore. An MRI scan revealed brain swelling, and anti-seizure medication was prescribed. A second opinion at month’s end showed swelling reduction.

The turning point came in late, during a road trip, when she suffered three seizures in two hours. A burr hole biopsy of a right frontal lesion suggested a diffuse low-grade glioma. Subsequent evaluations at Apollo Hospitals upgraded the diagnosis to bifrontal Glioblastoma — a clinically challenging case due to its location. This is a clinically unusual case because most of the time, GBM is diagnosed with MRI with contrast, MR spectroscopy, and biopsy to confirm the type and grade of tumor. In this patient’s case, imaging revealed widespread bifrontal involvement — making conventional surgery high risk. Her care team opted for a non-surgical precision radiotherapy approach. She had 25 high precision image guided radiotherapy (IGRT) sessions using RapidArc technology. This was followed by two CyberKnife boost sessions to high-risk tumour areas - a plan to boost treatment precisely where it was most needed. All sessions went smoothly, with no major side effects. Since October 2024, she has been undergoing her cycle of monthly chemotherapy treatment alongside her regular scanning.Happily, she was also able to slowly get back to work, engage in recreational activities, and gain a semblance of normal life despite the ongoing cancer treatment.

Signs that point to headaches along with seizures, vomiting, blurred vision, confusion, personality changes, weakness, or an increasing frequency of symptoms should be evaluated medically without delay. Even one seizure is not an issue to ignore.

Some symptoms you must mention to your doctor will be:

• Dizziness or headaches

• Constriction
• Trembling and weakness or paralysis
• Memory loss or other indications of memory disorder
• Visual difficulties

It may help you diagnose your problems effectively if you see a neurologist, conduct MRI brain imaging and have consultations from an early stage. While some headaches or seizures do not necessarily mean having a tumor in the brain, regular occurrence of such symptoms with no reason is likely to be examined by an expert. However, although a proper healthy lifestyle may help your brain remain healthy, it will be ineffective for illnesses like GBM.

Dr Sridhar PS, Radiation Oncologist, Apollo Hospitals, Bangalore