A new study published in The Lancet Digital Health suggests that biological age of different organs could predict a person's risk of diseases such as cancer, dementia, and heart disease than their actual chronological age. The research analyzed long-term data from Whitehall II study, which had been followed by over 10,000 British adults for more than 35 years.

The blood plasma samples were collected between 1997 and 1999 from participants between ages 45 to 69. Researchers have now examined a follow up data from 6,235 participants, who were by then aged 65 to 89. This was done to see how aging of specific organ may correlate with the development of diseases over two decades.

What Organs Were Studied?

The study measured the biological age of nine key organs, including:

• Heart
• Blood vessels
• Liver
• Immune system
• Pancreas
• Kidneys
• Lungs
• Intestines
• Brain

The researchers were able to find that different organs aged at different rates in different people. In many of the cases multiple organs showed signs of faster aging within the same individual. What is important to note is that those with accelerated aging in certain organs had a higher risk of developing 30 out of the 40 age-related diseases the study had tracked.

Organ Aging And Disease Risk

Some organ-disease connections were expected—people with rapidly aging lungs were more likely to develop respiratory diseases, and those with aging kidneys had an increased risk of kidney-related conditions. However, the study also found less obvious associations.

For example, individuals with fast-aging kidneys were more prone to diseases in other organs, such as the liver and pancreas. Additionally, multiple fast-aging organs were linked to an increased risk of kidney disease.

One of the most surprising findings was that dementia risk was not best predicted by an aging brain but rather by the immune system’s biological age. This suggests that factors such as chronic inflammation and immune health may play a critical role in neurodegenerative diseases.

What Is Organ Specific Blood Tests?

The study also highlights the important of the potential of developing blood tests that could assess the biological age of specific organs. Unlike previous complex methods that measured the organ health, this new approach could make things simple to detect early signs of disease.

The leader author of the study Mika Kivimaki, who is also a professor at the University College London's Faculty of Brain sciences pointed out that such tests could be helpful when it comes to guiding personalized healthcare. In a news release, Kivimaki said, "They could advise whether a person needs to take better care of a particular organ and potentially provide an early warning signal that they may be at risk of a particular disease."

The study reinforces the idea that aging does not affect all organs equally and that looking beyond chronological age could offer better insights into disease prevention. By understanding which organs are aging more rapidly, medical professionals may be able to recommend targeted interventions for individuals at higher risk of specific conditions. Future advancements in organ-specific blood testing could revolutionize how we detect and manage age-related diseases, potentially leading to more personalized healthcare strategies.

TikTok has a new sleep obsession every few months. Mouth taping, "cognitive shuffling," and now this: pouring salt onto a tray and stomping on it barefoot before bed. It's called "salt stomping," and doctors have doubts.

What Is Salt Stomping?

The trend was popularised by TikTok creator Tammy Weatherhead, who films herself pouring Epsom salt onto a baking sheet and shuffling her feet on it, according to the New York Post. "If you are not standing on salt before bed, you are missing out," she says in her videos. Other creators pour the salt onto baking sheets, towels or straight onto the shower floor, according to the New York Post.

The practice is framed as a type of "grounding," or direct contact with the earth, which some people normally do by walking barefoot on grass or sand, the New York Post notes. Weatherhead claims the salt version also exfoliates feet, reduces inflammation, and shifts the body into "rest mode" by lowering cortisol and raising serotonin.

Also Read: Heart Valve Clips Explained: How a Tiny Clip Can Help Repair a Leaking Valve

Does It Actually Work?

Doctors say no. Saema Tahir, a board-certified sleep physician, told the New York Post, "There's no evidence that standing on salt calms anything." IOL, a South African outlet, reported the same conclusion. There is currently no scientific evidence that standing directly on salt improves sleep.

There is some research on grounding in general, separate from salt. A small 2004 study published in the Journal of Alternative and Complementary Medicine found that people who slept in contact with a grounding mat had lower night-time cortisol levels. But the study didn't test salt, involved a small group of people, and hasn't been repeated at a larger scale since.

What might actually help is the ritual itself, not the salt. Jacqueline Geer, a sleep medicine specialist at Yale School of Medicine, told Vogue, as reported by Yahoo, that the benefit "lies in the fact that this trend requires a certain level of focus and disconnect" from a busy day. A psychologist identified as Dr. Bostock told the Huffington Post UK there's likely a placebo effect too: "If you believe something helps you sleep, the odds are you will fall asleep faster and stay asleep longer."

The Real Risk: Your Skin

Standing barefoot on salt can cause harm. Chris Winter, a neurologist and sleep specialist, told Vogue, as reported by Yahoo, that salt stomping can cause skin irritation, worsen cracks on the feet, and create small cuts that let bacteria into the body.

What To Do Instead

Sleep experts point to simpler, low-risk habits: calming, repetitive routines before bed that signal to the nervous system it's time to rest, per IOL. Geer's advice, per Yahoo, is to build in a period of focus and disconnection from screens and stress, rather than a specific trick. If anxiety is what's keeping you up at night, that's worth raising with a doctor directly, rather than testing viral hacks with no real evidence behind them.

Heart clips—also referred to as heart valve clips—are part of a minimally invasive medical procedure known as Transcatheter Edge-to-Edge Repair (TEER). Designed to repair leaking heart valves without open-heart surgery, this advanced treatment restores proper blood flow, relieves debilitating symptoms, and helps patients return to their daily lives.

Understanding Valve Leakage and Symptoms

The heart's valves rely on thin flaps of tissue called leaflets to regulate blood flow.

• The mitral valve (located on the left side of the heart) typically has two leaflets.

• The tricuspid valve (located on the right side of the heart) usually consists of three leaflets.

When a valve is leaking, the leaflets fail to close completely, leaving a gap. Blood leaks backward through this opening toward the lungs, increasing lung pressure and directly causing chronic breathlessness and fatigue.

Also read: 100% Blockage At 18, 25% Patients Under 40: On World Heart Day, Cardiologists Reveal An Alarming Heart Attack Pattern

How the Clip Repair Procedure Works

During a Transcatheter Edge-to-Edge Repair, cardiologists repair the valve using a tiny clip delivered through the vascular system:

1. Catheter Access: Guided by continuous echo imaging, doctors insert a catheter into a blood vessel in the groin and navigate it directly to the heart.
2. Targeting the Valve: The catheter goes to the left side of the heart for a mitral valve repair or to the right side for a tricuspid valve repair.
3. Identifying the Leak: Imaging pinpoints the exact spot where the leaflets fail to seal.
4. Deploying the Clip: The doctor positions and deploys the clip across the leaking gap, grasping the two opposing leaflets and pulling them closer together.
5. Evaluating the Seal: Before releasing the clip completely, doctors perform an echocardiogram to confirm that the clip is strongly anchored, that the backward leak is fixed, and that the risk of clip detachment (embolization) is negligible.

Immediate Relief and Long-Term Healing

Once the clip brings the leaflets together, backward leakage stops immediately, allowing the entire volume of blood to pump forward as intended.

• 24-Hour Recovery: Pressure inside the lungs drops rapidly once the leak is sealed. Many patients notice a dramatic improvement in their breathing within 24 hours of the procedure.

• 3 to 6 Month Integration: Over a period of three to six months, surrounding heart tissue naturally grows over the clip (endothelialization), permanently integrating it into the heart structure.

Smooth Hospital Stay and Recovery

Because the procedure is catheter-based rather than open-chest, patient recovery is remarkably swift:

• In-Room Extubation: Patients are taken off the ventilator right on the procedure table.

• Minimal Closure Site: The groin entry point is closed cleanly using specialized sutures (such as ProGlide or a figure-of-eight suture).

• Quick Discharge: Patients typically spend just one day in the Intensive Care Unit (ICU) before moving to a standard room, after which they can return home and resume normal daily activities.

Frequent cannabis use may worsen epilepsy-related symptoms, new research. It discovered that raised that people with drug-resistant epilepsy who used cannabis often had more frequent convulsive seizures and sought advanced epilepsy care much sooner than non-users.

Published in Epilepsia, the study analysed health records of 64 adults with drug-resistant epilepsy. It found that frequent cannabis users reached an intensive epilepsy monitoring stage an average of five years after their first seizure, compared to 18 years reported among non-users.

The difference of 13 years is attention-worthy but it must be noted that the study shows an association, not proof that cannabis worsens epilepsy.

Seizures Doubled In Cannabis Users With Epilepsy

Researchers compared 22 people who used cannabis at least 20 days a month to 42 people who did not.

The frequent users reported to have a heavier burden of seizure, one of the symptoms of epilepsy. They had more than twice as many convulsive seizures per year than non-users.

About 91% of frequent cannabis users experienced convulsive seizures, compared to roughly half of the non-users.

Seizures involve stiffening and jerking of the body and loss of consciousness. They constitute medical emergency as they are associated with sudden death in epilepsy.

Also read: Does Cannabis Really Help You Sleep? Experts Say It Is Complicated

What Does Drug-Resistant Epilepsy Mean?

Epilepsy is considered drug-resistant when seizures continue despite appropriate treatment with two antiseizure medications.

People with drug-resistant epilepsy may need to visit specialised epilepsy centres, where doctors can monitor them and recommend changes in medication, surgery, or other treatment options. In this study, frequent cannabis users reached this stage much earlier.

They were also discharged from hospital after taking an average of 3.05 antiseizure medications, compared with 2.21 among non-users.

Also read: Why Can’t Millennials Sleep? The Crisis Keeping An Entire Generation Up At Night

Cannabis & Epilepsy

This was a retrospective study based on health records of a small sample size. There may be other differences between people who used cannabis often and those who did not that could affect the severity of the seizures.

However, researchers were able to establish the timing of cannabis use for 15 of the 22 users. All 15 had started using cannabis before their first seizure, making it less likely that they had simply begun using cannabis to cope with an already existing seizure disorder.

The researchers say larger studies can determine whether cannabis contributes to worsening seizures.

The association between cannabis and seizures is complicated as CBD (cannabidiol) is reported to have beneficial effect on severe epilepsy.

To understand the seeming contradiction, we must understand the distinction between cannabis and purified cannabidiol (CBD).

A purified form of CBD is an approved treatment for certain severe forms of epilepsy. CBD is different from THC, the psychoactive element responsible for the “high” associated with cannabis. Recreational cannabis products may contain high concentrations of THC.

According to the researchers, animal studies suggest CBD can suppress seizures, while THC may have the opposite effect.

Hence, evidence that a specific CBD-based medicine can help certain epilepsy syndromes cannot be used to conclude that recreational cannabis is an epilepsy treatment.

Researchers suggest that THC acts on receptors concentrated in brain regions involved in seizures, raising the possibility that cannabis could influence how brain circuits fire. But this is a hypothesis that needs further investigation.