Fasting may reset your body, but can it reset your mind? The new trend of dopamine fasting claims it can. And wait, there's more. This trend also works against dopamine resistance, implying that things that did not make you happier before will now do. You see, dopamine is a part of the brain's reward system and plays an important role in your pleasure reception. While this neurotransmitter is not directly linked to an individual's happiness, it triggers feelings of satisfaction, motivation and pleasure.

However, a person can also reach a stage of dopamine resistance if they continue to indulge in activities that trigger its frequent or constant release. In this case, the individual stops feeling the impact of this neurotransmitter and thus, does feel good or happy.

So does dopamine fasting work?

Dopamine fasting is a practice where individuals limit their exposure to activities or stimuli that typically provide a surge of dopamine. The idea behind dopamine fasting is to reset or recalibrate the brain's reward system. This is usually done by abstaining from gratifying things or experiences like social media, junk food, and even sex. Proponents of dopamine fasting argue that continual overstimulation from digital devices, social media, and easily accessible indulgences has numbed our brain's reward pathways. By regularly denying ourselves these dopamine triggers, the idea claims, we might restore our ability to acquire fulfilment from life's basic pleasures.

How Does Dopamine Imbalance Affect Your Mental Health?

Having low levels of dopamine can make you less motivated and excited about things. In Parkinson's disease, there is not enough dopamine in the areas of the brain important for movement. This leads to problems with muscle stiffness and movements such as walking.

The symptoms of a dopamine imbalance depend on what is causing the problem. They include physical symptoms such as:

• muscle cramps, spasms or stiffness
• digestion problems, such as constipation or reflux
• pneumonia
• trouble sleeping
• moving or speaking more slowly than usual

• feeling tired and unmotivated, or sad and lacking hope
• having low libido (sex drive)
• hallucinations (experiencing something that's not real)

How Can I Adjust My Dopamine Levels?

Adjusting dopamine levels is complicated, as it is involved in many different roles in the brain. Your doctor won't measure your dopamine levels directly, and there is no simple test to measure it. Your symptoms will be the clues that tell your doctor if you have too much or not enough dopamine. They will then prescribe medicines to adjust your dopamine level, based on your symptoms, and make adjustments based on how your body responds and how you feel.

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A few floaters, a brief flash of light or mild blurring across your vision may seem harmless at first. But when these changes appear suddenly without any probable cause, they may signal a bigger problem. On World Retina Day, experts explain when your retina needs urgent medical attention.

The retina is the light-sensitive layer at the back of the eye, which plays a crucial role in maintaining healthy eyesight. Some retinal conditions may develop without obvious symptoms in early stages, while others can present suddenly and threaten your eyesight if treatment is delayed.

“Retinal health is fundamental to maintaining clear vision and preserving quality of life, yet many retinal conditions can develop silently, without obvious warning signs in their early stages,” Dr Rajesh Kapoor, Medical Director, Suruchi Eye Hospital, Navi Mumbai told HealthandMe.

“By the time a person begins to notice blurred or distorted vision, dark spots, flashes, floaters, or other visual changes, the condition may already require urgent medical attention. This is why we need to shift our approach from waiting for symptoms to prioritizing awareness, regular comprehensive eye examinations and timely consultation with an ophthalmologist.”

What Are Floaters And Flashes?

Floaters can look like tiny dots, lines, specks or cobweb-like shapes moving across your field of vision. They are easier to notice when looking at a bright background.

Flashes, on the other hand, can look like brief streaks or bursts of light. They may occur even when there is no actual source of light around you.

Occasional floaters can occur for reasons that are not always serious. However, a sudden increase in floaters or the sudden appearance of flashes should not be dismissed, especially if there are other changes in vision. One of the conditions doctors want to rule out in such situations is retinal detachment.

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What Is Retinal Detachment?

“Retinal detachment is a serious condition which requires urgent medical attention and occurs when the retina, the light sensitive layer at the back of the eye pulls away from its normal position,” Dr Mudit Tyagi, Scientific Chair, VRSI and Head, Smt Kanuri Santhamma Center for VitreoRetinal Diseases, L V Prasad Eye Institute, Hyderabad told HealthandMe.

There are several possible causes of retinal detachment. According to Dr. Tyagi, they include injury to the eye, high myopia and certain eye diseases.

When the retina separates from its normal position, its ability to function properly can be affected. The longer the condition remains untreated, the greater the concern about permanent vision loss.

Sudden Flashes And A Curtain Or Shadow Over Your Vision

The symptoms of retinal detachment can vary, but certain changes should warrant immediate medical attention.

A dark curtain or shadow across the field of vision is concerning because it can represent a portion of the visual field being lost.

Dr. Tyagi said, “The urgency of recognising retinal detachment can’t be overstated. If you have sudden flashes of light, a dramatic increase in floaters, or a dark shadow or curtain across your field of vision, don’t ignore it, even if there is no pain.”

The absence of pain should not be misconstrued as a non-emergency. A retinal problem can occur without the kind of discomfort people usually associate with an eye emergency.

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Timing Is Key

Retinal detachment is not a condition where it is advisable to wait and see whether symptoms settle on their own. “Retinal detachments, if detected in time and operated early enough can result in a good recovery of vision,” Dr Tyagi said.

He added, “It is important, therefore, to be vigilant and see an eye care specialist as early treatment can help avoid preventable loss of vision. So, timely recognition and diagnosis followed by right treatment can help save vision.”

This is why sudden visual changes deserve attention even if they seem minor initially.

Who Is At Risk?

Some people may need to be particularly proactive about retinal health. Dr. Kapoor said individuals with diabetes, increasing age, a family history of retinal disease or other risk factors that may affect retinal health should be more careful and alert.

Diabetes can affect the blood vessels supplying the retina and lead to diabetic retinal disease. Regular eye examinations can help identify changes before vision is significantly affected. Dr Kapoor also stressed that screening should not necessarily wait until symptoms appear.

“Advances in retinal imaging, diagnostics and treatment today provide ophthalmologists with valuable opportunities to identify and manage several retinal conditions at an earlier stage. However, technology can make its greatest impact when people seek eye care at the right time.”

A sudden change in vision does not automatically mean that a person has retinal detachment. But because some retinal conditions can progress rapidly, it is important to have sudden symptoms assessed rather than trying to determine their cause on your own.

Dr Kapoor said: “Through greater public awareness and proactive screening, we can encourage people to take retinal health more seriously. Protecting sight begins with understanding that healthy vision should never be taken for granted—because when it comes to the retina, we should not wait for a problem to become noticeable before taking action.”

After surgery, radiotherapy could significantly decrease the chances of an atypical meningioma returning, according to a new international phase 3 trial published in The Lancet.

The findings come from the ROAM/EORTC-1308 trial, the first randomised controlled trial to directly test whether patients with a completely removed atypical meningioma benefit from receiving radiotherapy or whether regular scans and observation are enough.

The results could help settle a treatment question that has remained uncertain for years.

What Is An Atypical Meningioma?

Meningiomas are the most common brain tumours in adults. They develop from the meninges, the protective membranes surrounding the brain, and spinal cord.

An atypical meningioma is classified as a WHO grade 2 tumour. Unlike grade 1 meningiomas, that generally grow slowly, grade 2 tumours are more likely to grow again after surgery.

Even when surgeons manage to remove the entire visible tumour, microscopic tumour cells may remain, sparking a risk of recurrence.

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What Did The Lancet Study Find?

The ROAM/EORTC-1308 trial enrolled 157 patients whose atypical meningiomas had been completely removed surgically. They were randomly assigned to either:

• Radiotherapy: 78 patients received 30 sessions of radiotherapy
• Observation: 79 patients underwent regular imaging surveillance

After a median follow-up of about five years, the difference in recurrence was significant. 14% of patients in the radiotherapy group experienced a recurrence, compared to 30% in the observation group. In other words, the risk of recurrence was reduced by nearly half with postoperative radiotherapy.

Additionally, at five years, about 80% of patients receiving radiotherapy remained free of recurrence, compared to about 64% of those who were monitored without immediate radiotherapy.

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The Trial Cements Necessary Evidence

Until now, doctors have had to weigh two approaches after complete surgical removal of an atypical meningioma.

One option is to give radiotherapy immediately, hoping to destroy microscopic tumour cells that surgery may have missed. The other is to monitor the patient with regular brain scans and use radiotherapy if the tumour returns.

The uncertainty existed as strong randomised evidence showing whether immediate radiotherapy actually reduced recurrence had been lacking. The trial helps cement that evidence.

Who Needs Radiotherapy After Surgery?

The researchers say that treatment decisions still need to be made jointly by doctors and patients, taking into account possible side effects and the long-term consequences of radiation treatment. Serious radiation-related complications were uncommon in the trial.

The study also did not establish whether the recurrence benefit extends beyond five years. This means that longer follow-up will be needed to gather more evidence. According to the researchers, the findings are expected to shape national and international treatment guidelines.

The options may extend for patients who have undergone complete removal of a WHO grade 2 atypical meningioma. Rather than contemplating “Should we simply watch and wait?”, they can consider moving to a more evidence-based discussion about whether postoperative radiotherapy should be offered upfront.

Heart care has been revolutionized in recent decades. New imaging tools, less invasive procedures, implantable devices and digital instruments are allowing doctors to find problems earlier and with more detail. This means that treatment options tend to be more personalized and recovery time can be shortened.

A big part of this shift comes from new tech in heart testing. Doctors can see how big the heart is, what shape it is and how it moves using cardiac CT, MRI and echo. These tests can give specific information on the functioning of the heart. AI is also being looked at for tasks like reading ECG results, analysing heart scans, and tracking patients over time. The American Heart Association says AI may have uses across heart care. At the same time, many tools still need more proof in real clinical settings before they are widely used.

From Open Surgery To Less Invasive Heart Procedures

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Tech is also changing how some heart issues are handled. In the past, some cases needed full open surgery. Now, for certain patients, doctors may use catheter-based or minimally invasive methods instead. Take TAVR as an example. In that approach, a new aortic valve is placed using a catheter. It is positioned inside the older, damaged valve. For the right group of patients, this can avoid open surgery.

Device design is moving forward too. Newer cardiac devices are adding options for people with rhythm problems and other heart conditions. Leadless pacemakers are one example. These devices are meant to support heart rhythm in an effective way while reducing some drawbacks seen with older device types.

Wearables And Remote Monitoring: The Next Step In Heart Care

Remote monitoring and wearable tools are growing fast. Some devices can track things like heart rate all day. That can reveal issues that someone might not notice on their own. Still, these tools should sit alongside routine checkups. They should not be used to diagnose yourself.

At the end of the day, the goal is not to swap out a cardiologist for a machine. Tech should help doctors gather clearer data. It can also support more accurate procedures. It may even spot disease earlier than before. What treatment makes sense varies from person to person. Doctors weigh age, past health, how bad the condition is, the test results, and the overall level of risk. As new heart devices keep coming, doctors will need solid proof and good judgment about who should use them. That is how new ideas lead to real gains in heart care.