Do You Think You Have High Alcohol Tolerance? Here’s How Liquor Impacts Your Brain Activity

Updated Aug 9, 2024 | 03:00 PM IST

SummaryA recent research sheds light on social drinkers and how even moderate alcohol consumption can impact brain activity, challenging the notion that occasional drinking is harmless.
Liquor Impacting Brain Activity (Credit-Freepik)

Liquor Impacting Brain Activity (Credit-Freepik)

Many of us believe that we are great drinkers and that alcohol does not affect us as much. People who are able to drink without showing any sign of inebriation are known as social drinkers. In short, they are not addicted to alcohol but will not turn down the opportunity to have a good time! While it may seem like it doesn’t affect you, new studies suggest that it is just an illusion, even if you have high tolerance, alcohol affects your cognitive and motor functions more than you think.

The study reveals the below implications and techniques:

  • Researchers used a new MRI technique to precisely measure brain electrical activity.
  • By comparing brain scans before and after drinking, scientists identified specific areas affected by alcohol and how much brain activity slowed down.
  • Participants were chosen to be regular social drinkers without alcohol addiction, ensuring the study focused on the effects of alcohol alone.
  • MRI technology provided reliable data on brain activity changes caused by alcohol consumption.

How does the brain react to alcohol?

The human brain is a complex network of billions of neurons that communicate through electrical impulses. Brain conductivity refers to the efficiency with which these electrical signals travel through brain tissue. It's akin to the speed and clarity of a digital signal through a wire. In layman terms, your brain must function in its peak condition as it is essential for various cognitive processes, including memory, attention, decision-making, and motor control.

Think of it as the foundation for your brain's performance. When brain conductivity is high, information flows smoothly, and that helps your brain in rapid processing and response. On the other hand, low conductivity can hinder cognitive function, leading to slower thinking, impaired memory, and difficulties with coordination.

A study conducted at the Neuroscience Research Australia (NeuRA) and UNSW Science unveiled a startling connection between alcohol consumption and brain conductivity.

What is the connection between alcohol consumption and brain activity?

While many people brush off the effects of alcohol as temporary changes in behaviour, the reality is much more complex. Beyond the obvious impacts on coordination and judgment, alcohol significantly alters brain function. Alcohol dramatically slowed down brain activity, especially in areas responsible for decision-making, planning, and physical coordination. This decline was so significant that it resembled the brain changes seen in normal ageing. This means even one drink could temporarily accelerate the ageing process of your brain.

Alcohol and Brain activity: What does the study Imply?

The implications of this research are far-reaching. It provides compelling evidence that alcohol consumption has a direct and measurable impact on brain function. The discovery that alcohol can significantly reduce brain conductivity opens new avenues for understanding the neurocognitive effects of alcohol abuse and dependence. While you may not feel like alcohol is affecting you and you have a high tolerance, it most definitely changes and affects your decision-making abilities and impulse control.

Furthermore, the MRI technique employed in the study could be a valuable tool for assessing the impact of other substances on the brain and for developing interventions to mitigate alcohol-related brain damage.

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UK Set To Implement Stricter Protocol For Prostate Cancer Testing; Who Is Eligible To Get Tested?

Updated Aug 16, 2026 | 07:00 PM IST

SummaryThe UK is planning to give doctors completely authorisation to decide which men are eligible for a PSA test to detect prostate cancer.
UK Plans To Restrict Prostate Cancer Testing for Some Men; What You Need To Know?

Credit: AI

Men in the UK could face limited access to prostate cancer testing under updated guidance that gives GPs authority to decide if some men without symptoms should receive a PSA blood test.

The development comes after the UK Government rejected calls for routine prostate cancer screening for all men. It instead backed a targeted approach in which those at highest genetic risk would be considered first.

Why Is The UK Changing Prostate Cancer Testing Guidance?

Under existing NHS guidance, men aged 50 and over can request a PSA test after discussing the benefits and limitations with their GP.

The new guidance states that the decision to authorise PSA testing ultimately rests with the doctor. Recent reports suggested that the policy has sparked criticism from cancer charities and campaigners.

Regardless, a PSA test can find prostate cancer, but it cannot reliably tell doctors which cancers are dangerous and which may be manageable with treatment.

The UK National Screening Committee (UK NSC) concluded in May that routine screening of the whole male population could do more harm than good.

It said that for every 1,000 men aged 50 to 60 screened using PSA, up to two lives could be saved, but as many as 20 men could experience overdiagnosis.

Also read: Prostate Cancer: NHS England's New Precision Radiotherapy Offers Hope In Just 5 Sessions

Who Will Be Eligible For Regular Screening?

The UK NSC has recommended targeted screening every two years for a much smaller group who are more likely to get prostate cancer. It includes men in the age group of 45 to 61 who have a BRCA2 gene variant and a family history of breast, ovarian, pancreatic or prostate cancer.

Importantly, the committee did not recommend targeted screening for other groups at higher risk, including Black men or men with a family history but no BRCA2 variant. It said that more evidence is needed to take a call on those matters.

What Is A PSA Test?

PSA, or prostate-specific antigen, is a protein produced by prostate cells. Higher levels can be associated with prostate cancer. But they can also increase because of non-cancerous prostate enlargement or inflammation.

This means screening can produce false alarms and lead to biopsies or treatment that some men may never need. Cancer Research UK says PSA testing may also fail to detect some prostate cancers.

Also read: Testicular Cancer Warning: Be Vigilant About These Unnoticeable Signs, Doctor Warns

Why Are Black Men Ineligible Despite Being In Higher Risk Group?

Black men have a substantially higher risk of developing and dying from prostate cancer, but the UK NSC said there is currently insufficient evidence to establish whether routine screening of Black men would help.

At the same time, the UK Government has expanded access for Black men to the TRANSFORM prostate cancer screening trial, which is designed to find a better way of detecting clinically significant prostate cancer.

The change does not mean PSA testing is being banned. Men with symptoms or particular risk factors can still be assessed by their GP, and doctors can request testing when it is clinically appropriate.

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Ebola Outbreak Is Claiming 1 Life Every 30 Minutes In DR Congo: UN Humanitarian Official

Updated Aug 16, 2026 | 05:00 PM IST

SummaryA top United Nations humanitarian official recently said that Ebola outbreak is resulting in at least one death in 30 minutes, giving a stark reminder of how rapidly the epidemic has expanded.
Ebola Outbreak Is Claiming 1 Life Every 30 Minutes In DR Congo: UN Humanitarian Official

Credit: AI

The Ebola outbreak in the Democratic Republic of Congo (DRC) is expanding at a rapid pace. According to a senior United Nations humanitarian official, the virus now estimated to be claiming one life every 30 minutes.

Tom Fletcher, UN Under-Secretary-General for Humanitarian Affairs and Emergency Relief Coordinator, issued the warning on August 14, calling for urgent international response as the outbreak continues to overwhelm communities and health systems in the Democratic Republic of Congo.

“The outbreak is the fastest growing on record,” Fletcher said, according to reports, urging the international community to step up support.

The latest warning comes as the outbreak has crossed a grim milestone. According to Reuters, DRC had recorded 4,449 confirmed Ebola cases and 2,061 deaths as of August 11.

What Makes It One Of The Most Rapidly Spreading Ebola Outbreaks?

The outbreak was officially declared in mid-May, but WHO has since found evidence that transmission may have started months earlier. Early patients were reportedly misdiagnosed with illnesses such as malaria or typhoid, allowing the virus to spread before Ebola was identified.

Currently, the virus has also moved far beyond its epicentre in Ituri province. WHO reported in July that cases had spread across five provinces and 46 health zones, with the outbreak concentrated in Ituri but also affecting North Kivu, South Kivu, Haut-Uele and Tshopo.

More recent reporting indicates that the outbreak has now reached a sixth province, while more than 2,100 deaths have been reported.

Also read: Ebola 2026 Outbreak Spreading Faster Than Any Before, On Track To Become Deadliest: WHO Chief

DRC Ebola Outbreak Is Challenging To Contain

Apart from an overwhelmed healthcare system, conflict, uncontrolled population displacement, poor infrastructure, lack of protective equipment and mistrust of health authorities are making it harder for health workers to identify contacts and reach patients. Health workers have also gone on strike due to nonpayment of wages, which has further weakened the response.

Reports suggested that 60% to 70% of newly detected infections are occurring outside known contact chains, a crucial sign that indicates contact tracing is struggling to keep up with transmission.

Vaccine For Bundibugyo Ebola Strain

Also read: Ebola Death Toll Tops 2,000 In DRC: New Study Reveals Likely Source Of Bundibugyo Virus Outbreak

The widely used Ervebo vaccine targets the Zaire variant of Ebola, not Bundibugyo virus. WHO says there is currently no licensed vaccine or specific treatment for Bundibugyo virus, although several candidates are now being investigated.

WHO experts have recently recommended a clinical trial to determine whether Ervebo could provide some protection against Bundibugyo, after encouraging results in animal studies.

Meanwhile, clinical trials of potential vaccines and treatments are underway in affected areas.

Progress Made

Despite the challenges, WHO chief Dr Tedros Adhanom Ghebreyesus said significant progress has been made towards containing and eradicating the virus. It includes:

  • More than 21,000 community health workers have been trained.
  • Treatment centres, safe burial teams, laboratories and community engagement teams are operating across the affected provinces, reaching hundreds of thousands of people.
  • A total of 886 patients have recovered, even without specific therapeutics and vaccines, which are progressing through trials.
  • For the first time, two vaccines specifically designed against Bundibugyo virus have entered Phase 1 safety trials in humans.
  • Two new animal studies of a vaccine against Zaire ebolavirus — the more common species — have shown promising evidence of cross-protection in animals, Tedros said.

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Kenya Approves Five Semaglutide Medicines; What You Need To Know About Ozempic, Wegovy Rivals

Updated Aug 16, 2026 | 03:00 PM IST

SummaryKenya recently assessed and approved five new generic semaglutide-based medicines, adding new alternatives as demand for weight loss drugs rise.
Kenya Approves Seven Semaglutide Medicines; What You Need To Know About Ozempic, Wegovy Rivals

Credit: AI

Kenya recently approved seven semaglutide-based drugs, expanding access to a class of drugs that has rapidly moved from diabetes treatment to one of the most talked-about weight-management therapies.

The Pharmacy and Poisons Board (PPB) said the medicines were assessed by regulatory authorities for quality, safety, and effectiveness. The move adds new options as demand for GLP-1 drugs continues to rise in the country.

Kenya Approves New Semaglutide-Based Medicines

Kenya already had Novo Nordisk’s Ozempic and Wegovy in the market. The five newly registered generic semaglutide products have been approved for treating and managing type 2 diabetes. A generic product called Truglyx was also launched in Nairobi in July.

An important thing to remember considering using these drugs is that even though they have the same active ingredient, it does not mean these medicines can be used interchangeably.

“While these products contain the same active ingredient, their approved uses are not necessarily interchangeable and must be understood with reference to the indication approved for each product,” PPB Chief Executive Officer Dr Ahmed Mohamed said.

Ozempic And Wegovy Cannot Be Used Interchangeably

Also read: GLP-1 Weight Loss Drugs Ozempic, Wegovy, Mounjaro Tied To Over 60 Reported Deaths In Australia

Although Ozempic and Wegovy contain the same active ingredient, they are not simply two names for the same treatment.

Ozempic is approved for adults with type 2 diabetes whose blood sugar is not adequately controlled, alongside diet and physical activity.

Wegovy is intended to be used for weight management in adults with a high BMI, alongside diet and exercise.

That is why the PPB has warned patients against assuming that all semaglutide products can be substituted for one another.

“While these products contain the same active ingredient, their approved uses are not necessarily interchangeable,” PPB Chief Executive Officer Dr Ahmed Mohamed said.

The regulator has also stressed that semaglutide medicines are prescription-only drugs and should be used only after assessment and prescription by a qualified healthcare professional.

Semaglutide Drugs Have Become Increasingly Popular

Also read: UK Woman Dies After Sudden Abdominal Pain Following Increase In Her Mounjaro Dose

The drugs have become popular for their ability to reduce appetite and help lose weight. But the effects of these drugs extend way beyond the weighing scale.

A 2026 analysis of the SELECT trial found semaglutide was associated with fewer hospital admissions and shorter hospital stays among people with overweight or obesity and cardiovascular disease who did not have diabetes.

At the same time, the rapid expansion of the market means there will be more competition. South Africa’s regulator was reviewing 12 generic semaglutide applications in July after patent expiry opened the door to generic competition.

Brazil also approved five new injectable semaglutide medicines last month, showing that manufacturers are rapidly responding to growing demand of GLP-1 drugs.

Are GLP-1 Drugs Completely Safe?

Just as GLP-1 medicines are steadily gaining popularity, reports emerged stating that semaglutide had the highest number of reported deaths with suspected associations, followed by Tirzepatide, Liraglutide and Dulaglutide.

62 deaths in Australia have been reported to the medicines regulator, the Therapeutic Goods Administration (TGA), with suspected associations with GLP-1 medicines, including Ozempic, Wegovy and Mounjaro.

The TGA has also received reports of nearly 3,000 serious adverse events involving these medicines, which are used by hundreds of thousands of Australians, The Herald Sun reported.

Reported adverse reactions include nausea, pancreatitis, suicidal thoughts and a rare eye condition that can cause blindness.

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