Dr. Tushar Singla

Orthopaedic surgeon, DMCH Ludhiana; Fountain pen connoisseur, Tech enthusiast, Sports lover among all

[Dr. Tushar Singla @tusharksingla]

@vickyfriend2007 @xdownloaderbot download

[Dr. Tushar Singla @tusharksingla]

@MoAImam Can you share a working video of verbrugge clamp.. always thought of it as bone plate clamp

[Dr. Tushar Singla @tusharksingla]

@MKBHD So true

[Dr. Tushar Singla @tusharksingla]

@ErikaMorris79 Yess so true.. before the game is fine.. mid innings messes up with the whole mindset

[Dr. Tushar Singla @tusharksingla]

@bensen Totally feels like what Apple would have made..

[Dr. Tushar Singla @tusharksingla]

@theliverdoc Scrubs should be the norm

[Dr. Tushar Singla @tusharksingla]

@theliverdoc Lipid profile is the most abused lab test in our part of India, it is almost always deranged and all problems including orthopaedic issues are attributed to this...
No amount of counselling can then change the idea of joint pains and lipid profile correlation

[Dr. Tushar Singla @tusharksingla]

@theliverdoc @baxiabhishek Music and storyline was amazing and gripping, didnt like the look of ranveer Singh's character much

[Dr. Tushar Singla @tusharksingla]

@theliverdoc So true, the masses like such foolishness over actual science but then they get to drink cow urine, isnt that Karma

[Dr Sudhir Kumar MD DM @hyderabaddoctor]

(Alert: Slightly longer post- read when free😆)
Brain blood flow, gravity, and wearable tech: a neurologist’s perspective
Recent podcasts featuring entrepreneur Deepinder Goyal wearing a “temple” device, claimed to continuously track cerebral blood flow, have sparked public curiosity. He has also floated an intriguing hypothesis: that gravity, by making the heart pump “uphill” when we sit or stand, may chronically reduce brain blood flow and contribute to ageing.

Innovation deserves curiosity, not dismissal. At the same time, health claims, especially those that could influence how people worry about their brains, deserve context.

Here is an evidence-based, clinician’s view, without taking anything away from the spirit of research behind such ideas.

Does gravity meaningfully deprive the brain of blood in daily life?
In healthy humans, the brain is remarkably protected. Multiple, well-studied mechanisms ensure stable cerebral perfusion across postures and ages:
1. Cardiac reserve: A healthy heart easily generates the pressure needed to perfuse the brain while upright.
2. Cerebral autoregulation: Brain vessels automatically constrict or dilate to keep blood flow stable despite changes in blood pressure or posture.
3. Baroreflexes: Sensors in the carotid arteries and aorta instantly adjust heart rate and vascular tone when we stand up.

This is why most people, from teenagers to octogenarians, can sit, stand, and walk without their brains being “under-perfused.”

When these systems fail, we see symptoms: dizziness on standing, syncope, orthostatic hypotension, autonomic failure, severe heart disease, or advanced vascular pathology. In such settings, posture-related cerebral hypoperfusion is real, but it is clinical, not subtle or silent.

Ageing does affect vessels and reflexes, but there is no good evidence that everyday upright posture, by itself, chronically starves the brain of blood in healthy people.

How do we currently assess cerebral blood flow?
Neurology already has validated tools, each used for specific clinical questions:
1. Transcranial Doppler (TCD): Non-invasive, bedside measurement of flow velocity in major brain arteries.
2. MR angiography / perfusion MRI: Detailed anatomical and perfusion assessment.
3. CT perfusion: Acute stroke settings.

These tests require trained operators and interpretation because numbers alone are not diagnoses. We correlate them with symptoms, examination, blood pressure, heart rhythm, and imaging.

Continuous, real-time monitoring of cerebral blood flow is currently reserved for critical care or research, not routine life.

Where could a wearable “temple” device fit, if validated?
If a wearable sensor can reliably, reproducibly, and safely estimate cerebral perfusion, it could be scientifically interesting, particularly for:
1. Research on sleep, posture, or autonomic disorders
2. Selected neurological conditions
3. Extreme environments (aviation, space medicine)

However, for healthy individuals, constant monitoring raises important questions:
1. Clinical relevance: What actionable decision follows a transient “low” reading in an asymptomatic person?
2. False alarms: Normal physiological variation could be misread as pathology.
3. Health anxiety: Continuous numbers without clinical context often create worry rather than benefit.
4. Cost vs value: Screening tests are useful only when they change outcomes.
History teaches us this lesson repeatedly-from heart rhythm trackers to glucose monitors in non-diabetics-measurement without a clear clinical need can do more harm than good.

✅My view
1. The idea that gravity influences circulation is physiologically true.
2. The leap from that fact to chronic brain under-perfusion causing ageing in healthy people is, at present, unproven.
3. The human body has evolved robust systems to protect cerebral blood flow across postures and decades of life.
4. Any new device must demonstrate not just technological novelty, but clinical usefulness.

Bottom line
Innovation often begins with bold questions, and research devices should be explored with an open mind. But from a neurologist’s standpoint, the healthy brain does not need continuous surveillance.

For most people, the best ways to protect brain health remain reassuringly simple and evidence-based: control blood pressure, stay physically active, sleep well, manage diabetes and cholesterol, avoid smoking, and stay cognitively engaged.

If future research shows a clear, meaningful role for continuous cerebral blood-flow monitoring, neurology will welcome it. Until then, curiosity should be matched with caution and numbers should never replace clinical sense.

Dr Sudhir Kumar
Neurologist, Hyderabad
X: @hyderabaddoctor

[Dr. Tushar Singla @tusharksingla]

@dieworkwear I feel not working is never a good feeling after a few weeks.. money doesnt matter at that point.. you need something to keep busy.. any menial job seems great at that time

[Dr. Tushar Singla @tusharksingla]

I feel the calls for bringing in @imVkohli back to test squad now to salvage the ship will be huge disrespect to his legacy and the dynasty he built. We should enjoy the magic and nostalgia of past and hope for the young ones to be inspired by him and create new milestones.

[Dr. Tushar Singla @tusharksingla]

@DrNikhilMD Happens with all doctors, some patients just live in denial and keep fighting, thinking we are corrupt and end up harming themselves only
You did the correct thing sir, you tried your best. He would have blamed your medicine to be cause of any future complication anyways

[John Asghar MD @JahangirAsgha10]

I find it remarkable that people who would never expect a plumber, lawyer, hairdresser, or gardener to work for free—and who would be outraged if they weren’t fairly compensated—treat the idea of paying a physician as something objectionable.

[Dr. Tushar Singla @tusharksingla]

@ChipRoutt Very well done sir

[Dr. Tushar Singla @tusharksingla]

@SnazzyLabs Very very useful.. thanks

[Dr. Tushar Singla @tusharksingla]

@stalman Loved the photographic review, never realised this is how the objective evaluation of pictures can be done.
Kindly make a explanation video on iphone camera as well.

[Dr. Tushar Singla @tusharksingla]

@theliverdoc Indian healthcare in a nutshell

Patient breaks bones and goes to a quack to get it fixed.. goes into malunion.. comes to orthopaedic asking guarantee that function wont be compromised

Patient goes to a quack for backache, they do adjustments claiming the vertebrae were aligned

[Dr. Tushar Singla @tusharksingla]

@andrewjclare I have to buy i would definite purchase orange 17 pro with navy blue case

[Dr. Tushar Singla @tusharksingla]

@beebomco Had this, loved every bit of it but the experience was completely soured by launch of jio back in the day as this phone didnt support 4g bands of jio..