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Often, whenever Alzheimer’s disease or dementia is mentioned, our attention goes directly to increasing age or some chronic weakness of the brain. We assume that this is entirely a problem to the internal part of the brain. But a new and very shocking scientific study that came recently in May 2026 has completely changed this old thinking.

According to this research, the increasing obesity of our body is not only a problem for our heart, knees or liver, but it is also directly making our brain sick. Scientists have found that obesity can rapidly increase the risk of serious and fatal diseases like Alzheimer’s.

Big revelation in medical journal study

famous medical journals ‘Molecular Neurodegeneration’ The lead researchers of this new study, Dr. Stephen Wong and Dr. Li Yang, along with their team, studied this topic in depth. According to him, obesity is not just a metabolic problem, but it has become a major source of signals that harm the brain.

When excessive amounts of unhealthy fat starts accumulating in our body, the entire structure of our fat tissues starts changing. Due to this change, some harmful fat molecules (particles) start forming in the body, which gradually reach our brain functions with the blood flow and accelerate the process of Alzheimer’s there.

Which fat molecule is the real enemy of the brain?

During this research, scientists have identified a special type of fat molecule, which Phosphatidylethanolamines (PEs) It is said. Normally it remains in a certain balance in the body, but when a person is obese, the level of this PEs molecule in the body increases excessively and it becomes completely dysregulated.

How is the brain attacked?

This excess PEs increased in the body gets packed in the form of small micro-particles and enters our delicate brain. After reaching there it mainly causes three major losses:

• Damage to the immune system: This weakens the brain’s natural defense system (neuroimmune system), due to which the brain is unable to protect itself.

• Breakdown of cells: This completely disrupts the communication and coordination between the neuron cells of the brain.

• Accumulation of amyloid protein: The most dangerous thing is that it starts accumulating ‘Amyloid Beta Protein’ rapidly inside the brain. It is this harmful protein that is considered to be the main hallmark of Alzheimer’s disease, which forms clumps or clots in the brain.

As a result, a person’s memory becomes weak, his ability to think and understand gets affected and he faces difficulties in doing normal daily tasks.

A matter of relief: This danger can be avoided in time

Even though this research may seem scary, doctors and scientists have also given news of great relief. Since obesity is a condition that we can completely control or reduce by improving our lifestyle, it is also in our hands to avoid this risk of Alzheimer’s.

In tests conducted on laboratory models, scientists observed that when the balance of these PEs fat molecules in the body was restored and weight was controlled, fat- inflammation and problems within the brain were significantly reduced. Along with this, considerable improvement was also seen in memory and mental efficiency.

To keep your mind safe, adopt these habits from today itself:

• Healthy and balanced diet: Completely reduce the amount of processed foods, excessive sugar and unhealthy saturated fats in your diet. Instead, eat green vegetables, fresh fruits, nuts and fiber rich things.

• Regular physical exercise: Do at least 30 to 45 minutes of walk, yoga or exercise daily. Being physically active improves the body’s metabolism and improves blood circulation in the brain.

• Constant monitoring of weight: If your body mass index (BMI) is becoming higher than normal, then without delay, consult a doctor or dietician and start making efforts to control it.

This study has made it clear that keeping oneself fit is not only important for looks or personality, but also to keep one’s memory and mental peace safe in old age.